Home / Products / Building Supplies / Roofing and Gutters / Roll Roofing and Underlayments / Ice and Water Protective Membrane - 195 sq. ft. Product selection from IKO. Ice and Water Protective Membrane - 195 sq. ft. Article #09205215. Model #7910053 Format 195SF. This item is not currently available for immediate purchase, but can be …Clean and dry the roof surface: Before installing the ice and water shield, make sure the roof surface is clean and dry. Remove any debris or loose material that may interfere with the adhesion of the shield. Overlap the sheets: When installing multiple sheets of ice and water shield, make sure to overlap them properly. About WeatherWatch® Ice & Water Leak Barrier. WeatherWatch® Mineral-Surfaced Leak Barrier is a key part of the GAF Lifetime Roofing System.1 It’s eligible for Lifetime limited warranty when used on Lifetime Shingle roofs 1 and it’s an eligible component of GAF residential enhanced warranties. Oct 25, 2023 · Cost: This ice and water shield is generally more expensive than other brands, but the added cost is justified by the product’s durability and performance. 2. Grace Ice & Water Shield® by GCP. GCP is a trusted name in the roofing industry, known for its innovative and reliable products. Feb 7, 2023 ... Our roofing contractor has suggested we use Grace Ice & Water shield on the entirety of our roof under the shingles. A structural engineering/ ... Grace Ice & Water Shield is a self-adhering roofing underlayment that protects homes and buildings from wind-driven rain and ice dams. It offers different products for various roof coverings, such as metal, shingles, and granular surfaced membranes, with superior sealability, watertight laps, and thermal stability. The basic cost to Install an Ice Dam Barrier is $6.11 - $7.58 per square foot in January 2024, but can vary significantly with site conditions and options. Use our free HOMEWYSE CALCULATOR to estimate fair costs for your SPECIFIC project. See typical tasks and time to install an ice dam barrier, along with per unit costs and material requirements. See …An ice and water protector is a waterproof barrier installed on the roof surface, protecting the roof structure from water damage. In the event of ice damming and heavy rainfall, without ice and water shield water could seep into the roof, reaching its structural elements and jeopardizing its stability. This is precisely why an ice and water ...If you're planning a roof replacement, it's a good idea to invest in an ice and water shield. While standard roofing underlayment provides a level of protection ...AsktheBuilder.com: An ice and water shield is a great roofing product to create leak-free roofs. This ice & water shield is applied as an underlayment prior to putting the shingles on the roof. This ice shield seals nail holes better then regular tar paper roofing materials.Fasteners for asphalt shingles shall be galvanized steel, stainless steel, aluminum or copper roofing nails, minimum 12 gage [0.105 inch (3 mm)] shank with a minimum 3 / 8-inch-diameter (10 mm) head, ASTM F 1667, of a length to penetrate through the roofing materials and a minimum of 3 / 4 inch (19 mm) into the roof sheathing. Where the roof …ICE BARRIER. In areas where there has been a history of ice forming along the eaves causing a backup of water, an ice barrier that consists of at least two layers of underlayment cemented together or of a self-adhering polymer modified bitumen sheet shall be used in lieu of normal underlayment and extend from the lowest edges of the roof …How long it takes water to become ice depends on the temperature of the water, how much water you have and how cold the freezing environment is. For water to freeze, it must reach ...Apply GRACE ICE & WATER SHIELD® HT roofing underlayment in fair weather when the air, roof deck, and membrane are at temperatures of 40°F (5°C) or higher. Apply roof covering material at temperatures of 40°F (5°C) or higher. Cut the membrane into 10–15 ft (3–5 m) lengths and reroll loosely. Peel back 1–2 ft (300–600 mm) of release ...Get free shipping on qualified Ice and Water Shield Roof Underlayments products or Buy Online Pick Up in Store today in the Building Materials Department. ... 6 Results Features: Ice and Water Shield. Sort by: Top Sellers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. Get It Fast. In Stock at Store Today.ICE & WATER PROTECTOR - LB1236. Self-adhesive roofing membrane composed of fiberglass fleece reinforcement and SBS modified bitumen. It is designed to be used as eave protection. Benefits. Non-slip, sanded finish; Self-sealing membrane around nails and screws; Withstands exterior temperature fluctuations; Meets Florida building code: …Ice and water shield is a self-adhering leak barrier that is placed on the most vulnerable areas of your roof to prevent leaks. Ice and water shield is placed along the eaves, valleys, around chimneys, and other penetrations on your roof. Ohio state code requires ice and water to be two feet inside a heated wall. This is required in Ohio due to ...The ice and water shield roofing material is made with a rubberized asphalt mixture that solves these problems. Because the product has a very sticky backing, it not only adheres well to the wood ...HydroShield Self Adhering Ice and Water Shield Underlayment (1.95 Square - Single Roll) 4.0 out of 5 stars 1. $111.96 $ 111. 96. FREE delivery Dec 28 - Jan 3 . Only 15 left in stock - order soon. ... ice and water shield for roof flashing tape grace ice and water shield ...Re: Water and Ice Shield on entire roof, bad idea? Ice and water shield is designed to stop Ice dams, so I think using it on the first three feet of the roof is a good idea. Further up seems like a waste of time and money imho. For a better roof how about using one of the newer roofing underlayments.Shop Grace Ice & Water Shield 36-in x 75-ft 200-sq ft Rubber Roof Underlayment in the Roofing Underlayment department at Lowe's.com. The original, best-in-class self-adhered roofing underlayment.Learn how GRACE ICE & WATER SHIELD® protects roofs from water intrusion due to wind-driven rain and ice dams. Find out why it is trusted by architects, contractors, and …An ice and water shield is a modified self adhered leak barrier. It comes in a sheet with split back release film similar to a self-stick or peel-and-stick. It seals itself around the nails used in shingling. This rubberized material that helps to prevent leaks due to: Water damming in your gutters.G300 Ice & Water. Product Line: TopShield ®. Product Description: TopShield® G300 Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistance properties.Mar 11, 2013 ... Grace Ice & Water Shield®, introduced in 1978, is our flagship product with over 2 million successful installations in 25 different ...WeatherMaster® Ice & Water Underlayment is a composite roof underlayment designed to provide a secondary waterproofing barrier needed to prevent ice dams and ...A: Tom Silva replies: First, your roofers should lay down an ice and water shield over the entire roof. Made of polyethylene and rubberized asphalt, this membrane prevents water that has slipped under shingles from penetrating to ceilings below. The valleys should then be covered with metal flashing or weaving. Our IKO StormShield ® Ice & Water Protector is a modified bitumen roll roofing product with a self-adhesive backing protected by a silicone-treated release sheet, which is easily removed during installation. StormShield consists of a resilient, non-woven glass fiber mat, which is permeated and coated with SBS modified bitumen and mineral surface. Ice and Water Shield or Weather Watch is a premium leak barrier, rubberized membrane that is used as part of a roofing system to provide a 100% watertight seal. Traditionally, contractors used metal flashing or double layers of felt in places where Ice and Water Shield are used today. Either through new codes in the northern states, or through ...The 2020 Indiana Residential Code regulates ice/water shield and drip edge as follows. Note that R903, R904 and R905.1 and their respective subsections apply to all roofing types unless indicated otherwise. Section R905.2 and its subsections apply specifically to asphalt shingle roofs unless indicated otherwise.The basic cost to Install an Ice Dam Barrier is $6.11 - $7.58 per square foot in January 2024, but can vary significantly with site conditions and options. Use our free HOMEWYSE CALCULATOR to estimate fair costs for your SPECIFIC project. See typical tasks and time to install an ice dam barrier, along with per unit costs and material requirements. See … IKO StormShield ®. IKO StormShield ® is an economical, modified bitumen roll roofing product that protects critical roof areas that are most susceptible to water leakage caused by ice dams and wind-driven rain. When properly applied, this self-adhesive membrane creates a watertight seal and its tear-resistant properties ensure that it will ... Weathertex joins the family of products composing our Weather-Tite TM Roofing system. Weathertex is a self-sealing sanded membrane for roofing eave protection, valley, hip and ridge, the perimeter of the roof and all protruding elements on the roof against ice and water infiltration. The membrane is manufactured by applying a unique elastomeric ...Is your refrigerator ice maker not working? Don’t worry. Before you panic and call a technician, there are several do-it-yourself fixes you can try to save money and time. The firs... Titanium® PSU30 is the only modified rubberized asphalt Peel & Stick underlayment with a patented slip resistant Sure - Foot® nodular walking surface technology that allows for easier steep slope walkability, even in wet or dusty conditions. And it can be applied under most types of roofing shingles, including metal, tile, shake, slate, and ... Jun 11, 2020 · An ice and water shield is a modified self adhered leak barrier. It comes in a sheet with split back release film – similar to a self-stick or peel-and-stick. It seals itself around the nails used in shingling. This rubberized material that helps to prevent leaks due to: Water damming in your gutters. Wind driven rain. Install them to protect your home from roofing leaks. These GAF leak barrier products stop water and ice from penetrating through your asphalt shingle roof. Install them to protect your home from roofing leaks. ... Helps shield the roof deck from moisture infiltration. See products Leak barrier. Helps prevent leaks caused by wind-driven rain ...Water damage can be a nightmare for homeowners. Whether it’s due to a burst pipe, a leaking roof, or a natural disaster, the aftermath of water damage can leave your property in ru...Synthetic Roofing. Hydroshield® LT® is a high strength woven synthetic roof underlayment that can save you 50% in labor and time expense, compared to 30 felt. Hydroshield® LT® underlayment is composed of a woven synthetic material which gives it high strength, 20 times stronger than asphaltic felt. It has a double-sided slip resistant ...Water damage can be a nightmare for homeowners. Whether it’s due to a burst pipe, a leaking roof, or a natural disaster, the aftermath of water damage can leave your property in ru...Line Roof Valleys with Felt, Ice & Water Shield, etc. Also see ASPHALT SHINGLE VALLEY FLASHING or see page 59 in the printed text Steve Bliss - Best Practices Guide to Residential Construction - (J Wiley) Underlayment Application of …Where To Install Ice & Water Shield, Depending On The Region. Roofing contractors install ice & water shield underlayment using different styles. For example, Home Evolution is a roofing company located in Albany NY. Albany gets a lot of snowstorms in the winter. So it has customers with ice and snow-related problems. Home evolution would apply ...It takes an integrated system of components and layers designed to help perform in three critical areas. SEAL Helps create a water-proof barrier. DEFEND Helps protect against nature's elements. BREATHE For balanced attic ventilation. Excludes non-Owens Corning® roofing products such as flashing, fasteners and wood decking. See the …GCP has been an industry leader when it comes to roofing underlayments; The company actually invented the fully adhered roofing underlayment. When it comes to safeguarding your home against the harshest elements, Grace Ice and Water Shield emerges as the gold standard in fully adhered roof underlayments. Its latest peel and …Weathertex joins the family of products composing our Weather-Tite TM Roofing system. Weathertex is a self-sealing sanded membrane for roofing eave protection, valley, hip and ridge, the perimeter of the roof and all protruding elements on the roof against ice and water infiltration. The membrane is manufactured by applying a unique elastomeric ...Scientists thought the East Antarctic Ice Sheet was safe. A new study concludes it's already melting. The story of Antarctic melt is a tale of two ice sheets. The West Antarctic Ic...Aug 23, 2021 · It will be the most expensive of the three types of ice and water shield. For comparison, granular or sand ice and water shield starts at $50.00 per row of material, while smooth ice and water shield costs around $100.00 per square (100 square feet of roof area) to go under a low slope roof. Remember, these numbers aren’t exact. However, they ... Essentially, ice and water shield is a roofing product that is self-adhering and waterproofing, used to prevent damage caused by ice dams and wind-driven rain. It is comprised of asphalt cement, a special stretchable membrane, and butadiene styrene (a type of copolymer). Ice and water protector, sometimes also referred to as “peel and stick”, is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage. Ice and water protectors (sometimes called ice and snow shields in cold climates) are made with polymer-modified bitumen. Fasteners for asphalt shingles shall be galvanized steel, stainless steel, aluminum or copper roofing nails, minimum 12 gage [0.105 inch (3 mm)] shank with a minimum 3 / 8-inch-diameter (10 mm) head, ASTM F 1667, of a length to penetrate through the roofing materials and a minimum of 3 / 4 inch (19 mm) into the roof sheathing. Where the roof …Essentially, the roof and ice water shield is an extra layer to a home’s roofing system that helps keep water out of the house. It’s a thin membrane that is attached under the shingles of a roof. Usually, the roof ice and water shield is only on the overhangs and in the valleys, as these are the two places leaks and ice dams occur most … R903.2.2 Crickets and Saddles. A cricket or saddle shall be installed on the ridge side of any chimney or penetration more than 30 inches (762 mm) wide as measured perpendicular to the slope. Cricket or saddle coverings shall be sheet metal or of the same material as the roof covering. It’s a cohesive, coordinated system of 5 parts. In order of installation, they are: 1) ice & water barrier, 2) underlayment, 3) starter shingles, 4) field shingles, and 5) hip & ridge shingles. The ice & water barrier sits under the shingles and the underlayment to provide an extra, waterproof membrane in more leak sensitive areas like roof ...Ice and water shield is a mandatory requirement for roofing projects in Oklahoma, as it helps protect homes and buildings from potential water damage. It is important to select roofing materials that meet the state’s requirements and provide adequate protection against moisture intrusion.Where To Install Ice & Water Shield, Depending On The Region. Roofing contractors install ice & water shield underlayment using different styles. For example, Home Evolution is a roofing company located in Albany NY. Albany gets a lot of snowstorms in the winter. So it has customers with ice and snow-related problems. Home evolution would apply ... Tarco Leak Barrier is a glass fiber reinforced, self-adhesive roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid-resistant properties. Tarco Leak Barrier helps to protect a building's deck or internal structure against leaks caused by ice and water damming and wind-driven rain. It's highly effective in critical roofing ... Granular underlayment is the thinnest type of water barrier and is installed in your roof's valleys. Made of a rubberized asphalt material with a granular ...Owens Corning ® Roofing offers WeatherLock™ Self-Sealing Ice & Water Barrier Products and are designed for both new construction and re-roofing projects. Also use WeatherLock™ Self-Sealing Ice & Water Barrier Products on areas of the roof where water has a tendency to collect or flow. These areas include valleys, vents, chimneys and … Calculate Ice and Water Shield. All you need to know is the soffit depth, exterior wall thickness, and pitch of the roof. This calculator will do the rest of the work. Calculate the row width needed for ice and water shield on any roof if the soffit depth, wall thickness and roof pitch are known. GRACE ICE and WATER SHIELD self-adhered roofing underlayment is a premier membrane composed of 2 waterproofing materials-an aggressive rubberized asphalt adhesive backed by a layer of slip resistant coated high density cross laminated polyethylene film. The rubberized asphalt surface is backed with a foldless release paper …An ice and water protector is a waterproof barrier installed on the roof surface, protecting the roof structure from water damage. In the event of ice damming and heavy rainfall, … GCP Applied Technologies Grace Ice and Water Shield HT 36 in. x 75 ft. Roll Self-Adhered Roofing Underlayment (225 sq. ft.) Be advice that this product is really sticky and it is mandatory to use in MN on roofs for the first two rows on the house, since is my first time using this product, I was a bit worried installing by myself on a re-roof ... Apply roof covering material at temperatures of 40°F (5°C) or higher. Cut the membrane into 10–15 ft (3–5 m) lengths and reroll loosely. Peel back 1–2 ft (300–600 mm) of release liner, align the membrane, and continue to peel the release liner from the membrane. Press the membrane in place with heavy hand pressure.In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in Table R301.2(1), an ice barrier shall be installed for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes.Water damage can be a homeowner’s worst nightmare. Whether it’s from a burst pipe, a leaking roof, or a flooded basement, the consequences can be devastating. One of the most obvio... Tarco Leak Barrier is a glass fiber reinforced, self-adhesive roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid-resistant properties. Tarco Leak Barrier helps to protect a building's deck or internal structure against leaks caused by ice and water damming and wind-driven rain. It's highly effective in critical roofing ... Our Most Economical Ice & Water Barrier. Arctic Seal® is a durable, waterproof, self-adhering underlayment made for areas of the roof most susceptible to leaks.Apply GRACE ICE & WATER SHIELD only in fair weather when the air, roof deck, and membrane are at temperatures of 5°C or higher. Apply roof covering material at temperatures of 5°C or higher. Cut the membrane into 3-5 m lengths and re-roll loosely. Peel back 300-600 mm of release liner, align the membrane, and continue to peel the release ...If you are seeking a roof replacement and would like a free inspection of your existing roof system (some exclusions apply), please do not hesitate to reach us at (316) 665-8482 or request a quote online. An …Water typically becomes ice when its temperature reaches freezing levels. When water temperature falls to approximately 0 degrees Celsius, it freezes and solidifies as ice in most ...Ice and water shield is a waterproof, rubberized membrane that sticks to sensitive areas of your roof, reinforcing them against leaks caused by heavy storms, wind-driven rain, and ice dams. There are three main types of ice and water shield: granular surface, smooth surface, and high heat. These types are used in different applications …EcoNour Windshield Cover for Ice and Snow | Enhanced 600D Oxford Fabric Windshield Frost Cover for Any Weather | Water, Heat & Sag-Proof Car Windshield Snow Cover | Standard (69 x 42 inches) 8,055. 10K+ bought in past month. $3199. Join Prime to …Browse a variety of Roof Underlayment products distributed by Beacon ... Ice & Water Underlayments (104) Synthetic Underlayments (157) Brand . Search APOC (9) Alco (1) ... TRI-BUILT Granular Surface Self-Adhering Ice & Water Shield. TRI-BUILT. TRI-BUILT #15 ASTM D4869 Felt. Henry Company.Most manufacturers of fully adhered roofing underlayment, or “ice and water shield,” offer their product in two major categories. These categories are regular and what's known as "high temp.” I never really thought too much about the difference until a customer of mine had a problem with a black substance oozing out between the metal ...Ice and Water Shield or Weather Watch is a premium leak barrier, rubberized membrane that is used as part of a roofing system to provide a 100% watertight seal. Traditionally, contractors used metal flashing or double layers of felt in places where Ice and Water Shield are used today. Either through new codes in the northern states, or through ...In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in Table R301.2(1), an ice barrier shall be installed for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes.Ice & Water Shield® has been the premier self-adhesive underlayment product used in domestic roof protection under shingles for more than 20 years.Premium Design, Maximum Protection. Our GoldShield Ice & Water Protector is a superior self-adhesive membrane, protected by a silicone treated release sheet that’s easily removed during application. It is ideal for roof waterproofing purposes under shingled roofs and specifically for protecting potential ice dam areas, it can also be ...The Armour Your Roof Needs. Our ArmourGard Ice and Water Protector is used for waterproofing under shingled roofs preventing water penetration due to ice dams or wind-driven rain. It can also be used as an underlayment around chimneys, dormers, vent stacks, skylights and other roof-top structures or apertures, around doors and windows, and as ...The ice and water shield is an amazing roofing product that was first introduced in the 1980s. If you have a roof that you know to be older than 1980, it won’t …An ice and water protector is a waterproof barrier installed on the roof surface, protecting the roof structure from water damage. In the event of ice damming and heavy rainfall, without ice and water shield water could seep into the roof, reaching its structural elements and jeopardizing its stability. This is precisely why an ice and water ...This may create more entryways for water to flow inside your home. Additionally, homes in colder climates are more susceptible to ice dams and frozen gutters.Jun 29, 2023 · Install GRACE ICE & WATER SHIELD® roofing underlayment directly on a clean, dry, continuous structural deck. Some suitable deck materials include plywood, wood composition, metal, concrete, and gypsum sheathing. Prior to membrane application, remove dust, dirt, loose nails, and old roofing materials. Protrusions from the deck area must be removed. Grace Ice and Water Shield HT fully-adhered, smooth surface roofing underlayment is specifically designed for high temperature applications such as metal and tile roofs. It delivers all the advantages of Grace Ice and Water Shield roofing underlayment with thermal stability metal and tile roofs require.TABLE R905.1.1(1) UNDERLAYMENT TYPES ROOF COVERING: SECTION: MAXIMUM ULTIMATE DESIGN WIND SPEED, V ult < 140 MPH: MAXIMUM ULTIMATE DESIGN WIND SPEED, V ult ≥ 140 MPH: Asphalt shingles: R905.2: ASTM D226 Type I ASTM D4869 Type I, II, III or IV ASTM D6757: ASTM D226 Type II ASTM D4869 Type IV ASTM D6757: Clay …Learn how leak barriers, also known as ice and water shields, can protect your roof from moisture and leaks. Find out how to install them and what benefits they offer for …
Provide proper roof insulation and ventilation to help reduce ice dams and to minimize condensation. GRACE ICE & WATER SHIELD® membrane is an air and vapor barrier. Repair holes, …. Prana stretch zion
Ice and Water Shield (also known as peel and stick) has quickly become one of the most popular roofing accessories in the market today. Why? Well because i...Ice cream is made of molecules of fat suspended in a structure of water, sugar and ice. Learn about the history of ice cream and see how ice cream is made. Advertisement The U.S. i...Ice and Water Shield (also known as peel and stick) has quickly become one of the most popular roofing accessories in the market today. Why? Well because i...Roof replacements for One and Two-Family dwellings are regulated through the Harford County Building Code in the following manner: ... Ice and Water Shield. With the adoption of the 2018 International Residential code, Table R301.2 (1) …Product Description: TopShield® GS PRO Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and ...The Armour Your Roof Needs. Our ArmourGard Ice and Water Protector is used for waterproofing under shingled roofs preventing water penetration due to ice dams or wind-driven rain. It can also be used as an underlayment around chimneys, dormers, vent stacks, skylights and other roof-top structures or apertures, around doors and windows, and as ...An ice and water protector is a waterproof barrier installed on the roof surface, protecting the roof structure from water damage. In the event of ice damming and heavy rainfall, without ice and water shield water could seep into the roof, reaching its structural elements and jeopardizing its stability. This is precisely why an ice and water ...Sep 10, 2019 ... "Grace Ice and Water Shield for the first two courses, then a synthetic underlayment above". What is your final roofing product? What are the ...Cost: This ice and water shield is generally more expensive than other brands, but the added cost is justified by the product’s durability and performance. 2. Grace Ice & Water Shield® by GCP. GCP is a trusted name in the roofing industry, known for its innovative and reliable products.Dec 23, 2010 ... Roofing ice and water shield may look like traditional felt paper, but it's vastly different in performance. Traditional felt paper does a very ...Aug 15, 2023 ... It is laid on top of your decking, and its primary function is safeguarding your home from leaks. In Kentucky, regulations require that homes ...G300 Ice & Water. Product Line: TopShield ®. Product Description: TopShield® G300 Ice and Water is a glass fiber reinforced, self-adhesive modified bituminous roofing underlayment for use under slate and asphalt shingles. Mineral granules on the upper surface provide enhanced skid resistance properties. That will cause condensation, which can, in turn, create water damage. That said, you can cover your entire roof with an ice and water shield, and it could help prevent leaks if you live in an area with extreme winds. But if you do, make sure you also add a ventilation system to your attic to prevent condensation. WeatherMaster® Ice & Water Underlayment is a composite roof underlayment designed to provide a secondary waterproofing barrier needed to prevent ice dams and ...Ice and water shield is a waterproof, rubberized membrane that sticks to sensitive areas of your roof, reinforcing them against leaks caused by heavy storms, wind-driven rain, and ice dams. There are three main types of ice and water shield: granular surface, smooth surface, and high heat. These types are used in different applications …Ice and Water Shield or Weather Watch is a premium leak barrier, rubberized membrane that is used as part of a roofing system to provide a 100% watertight seal. Traditionally, contractors used metal flashing or double layers of felt in places where Ice and Water Shield are used today. Either through new codes in the northern states, or through ...(Quick recap: The video shows you exactly what ice & water shield looks like and where it’s installed. In the video, it’s been installed on the entire roof. The guy also talks about how the ice & water shield seals itself around roofing nails, which helps to distinguish it from a traditional underlayment product (e.g. tar paper, roofing felt, thermoplastic polyolefin, …Learn how an ice and water shield protects your roof from water damage and leaks, and when and where to apply it. Find out …Install a double layer of roof felt for low slope roofs with less than a 4:12 slope. Ice and Water Shield® or a similar self-adhering bitumen product may be used in lieu of the required two layers of felt. One layer of 30 pound felt is not an approved alternate to the required double layer of felt..