Gcp Roof Underlayment Spec

Learn how to install tri flex for maximum performance. The blue 360 sm field advantage program includes consultations with our field sales and technical service teams who help architects and contractors select the optimal underlayments to meet their specs. Prior to membrane application remove dust dirt loose nails and old roofing materials.

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Gcp Applied Technologies 36 In X 75 Ft 225 Sq Ft Ice And Water Shield Roll Roofing Underlayment In Black 5003002 Roll Roofing Underlayment Roofing Nails

Should I Specify Smooth Or Granular Roof Underlayments Gcp Applied Technologies

Choosing A Roofing Underlayment Granular Vs Smooth 2019 03 08 Building Enclosure

Gcp Applied Technologies Ultra 198 Sq Ft Roll Roofing Underlayment 5003000 The Home Depot

Gcp Applied Technologies Roofing Detail Membrane 18 In X 75 Sq Ft Roll Self Adhered Roofing Underlayment 112 Sq Ft 5003228 The Home Depot

Gcp Applied Technologies Grace Select 36 In X 65 Ft Roll Self Adhered Roofing Underlayment 195 Sq Ft 5003200 The Home Depot

Suitable for use in the most extreme conditions including under copper cor ten and zinc roofing.

Gcp roof underlayment spec. Grace ultra roofing underlayment is a unique waterproofing solution that matches the long term durability of copper roofs. Tri flex is a mechanically attached roofing underlayment that can be applied under nearly any roofing material shingles tiles slate metal and more. Slippery when wet or covered by. The thickness of product makes it easy to handle and apply.

Grace ultra delivers best in class waterproofing protection and the highest level of thermal stability 300f. Some suitable deck materials include plywood wood composition wood plank metal concrete and gypsum sheathing. Tri flex 15 underlayment is attached to the roof with roofing nails or staples both having 1 inch diameter plastic metal caps spaced at 8 inches on center oc on both side and end laps in normal wind zones. The product is 30 mils 0 76 mm thick making it easy to handle and apply.

Apply the membrane to the entire roof deck for wind driven rain protection. Contractors and architects also enjoy the benefits of the blue 360 sm field advantage program. Exceptional uv resistance allows it to be exposed for up to six months before installing the final roof covering. Apply a new layer of grace ultra underlayment directly over the old gcp self adhered underlayment gcp granular underlayments in retrofit applications following the standard membrane application procedure.

Our team also recommends compatible weatherproofing products from our extensive portfolio such as. Grace ultra butyl roofing underlayment is composed of two waterproofing materials an aggressive 100 butyl rubber adhesive backed by a layer of high density cross laminated polyethylene film. Grace ultra butyl roofing underlayment is composed of two waterproofing materials and aggressive 100 butyl rubber adhesive backed by a layer of high density cross laminated polyethylene film. Grace ultra self adhered roofing underlayment features a unique 100 butyl adhesive formulation.

Thermal resistance to 260f. Grace ice water shield self adhered roofing underlayment is a premier membrane composed of two waterproofing materials an aggressive rubberized asphalt adhesive backed by a layer of slip resistant coated high density cross laminated polyethylene film. Heat resistance up to 300 f 100 butyl adhesive is ideal for use in elevated temperatures for copper zinc roofs or any application where superior heat resistance is required. Install grace ice water shield roofing underlayment directly on a clean dry continuous structural deck.

In high wind zones or coastal applications double the fastening to 4 inches oc.