The following specification text has been prepared to assist design professionals in the preparation of a specification section incorporating Epilay Protectite Superior synthetic roofing underlayment for use under steep-slope slate shingles, asphalt shingles, clay and concrete roofing tiles, and metal shingles and roof panels.

Epilay Protectite Superior is a 100% synthetic replacement for traditional steep slope roofing underlayments and No. 15 and No. 30 roofing felts.

Epilay Protectite Superior is recommended only for use on roofs with slopes of 2:12 and greater.

Utilize the following paragraphs to insert text into the following Specification Sections or similarly titled section governing this work:

	07 31 13 - Asphalt Shingles
	07 31 16 - Metal Shingles
	07 31 26 - Slate Shingles
	07 32 13 - Clay Roof Tiles
	07 32 16 - Concrete Roof Tiles
	07 41 13 - Metal Roof Panels

Blue text includes instructions on how to use this document. Black text is intended for insertion into project specifications. Red text requires input by the user.

For assistance on the use of the products in this section, contact Epilay at (310) 320-6300, by email at info@epilay.com, or visit their website at www.epilay.com.

PART 1 - GENERAL

SUBMITTALS

Include the following for submission of product data.

	A.	Product Data: Manufacturer’s descriptive data and application instructions.

WARRANTIES

	A.	Provide roofing underlayment manufacturer’s 20 year warranty against failure of underlayment to repel water.

PART 2 - PRODUCTS

MATERIALS

	A.	Roofing Underlayment:
		1.	Source: Epilay Protectite Superior by Epilay www.epilay.com; [refer to Division 01 for substitution requirements.] [substitutions not permitted.]
		2.	Description: 100 percent synthetic roofing underlayment for steep-slope roofs, non-absorbent, water repellent, 100 percent recyclable.
		3.	Composition: Three plies of cross-woven polypropylene and one ply of non-woven polypropylene.
		4.	Thickness: 7 mils.
		5.	Width: 48 inches.
		6.	Fire rating: Class A, tested to ASTM E108.
		7.	Physical characteristics:
			a.	Exceed requirements of ASTM D226 and ASTM D4869.
			b.	Nail sealability: Pass Modified ASTM D1970.
			c.	Permeability: No dripping, tested to ASTME96/E96M.
			d.	Water transmission: Pass ASTM D4869.
			e.	Tear strength: Machine direction 15 pounds, cross direction 17 pounds, tested to ASTM D4533.
			f.	Tensile strength: Machine direction 80 pounds, cross direction 65 pounds, tested to ASTM D751.
			g.	Elongation: Machine direction 19 percent, cross direction 18 percent, tested to ASTM D751.	
		8.	Service temperature range: Minus 40 to plus 240 degrees F (minus 40 to plus 115 degrees C).

ACCESSORIES

Fasteners in Paragraph A are used for short-term exposure (less than 24 hours before primary roof installation is completed) without exposure to precipitation or high winds (any signs of underlayment uplifting). Fasteners in Paragraph B can be used for either temporary of final attachment. The final roof covering will permanently affix the underlayment in place. 

	A.	Fasteners for Short Term Exposure, up to 24 Hours: Corrosion-resistant roofing nails with 3/8 inch head, plastic cap nail or staple, hammer tacker 3/8 inch crown staple, or 7/16 inch crown staple.

	B.	Fasteners for Long Term Exposure, up to 1 year: Corrosion-resistant roofing nails with minimum 3/8 inch head diameter or plastic capped roofing nails or staples with minimum 1 inch plastic cap diameter 

PART 3 - EXECUTION

PREPARATION

	A.	Prepare deck surfaces; remove protrusions and debris that could damage underlayment. 

	B.	Do not install underlayment until deck is free of moisture.

INSTALLATION

	A.	Starting at low edge, apply one ply of underlayment horizontally over substrate with printed side up.

Utilize the following for roof slopes over 4:12.

	B.	Weather lap each strip 4 inches minimum over previous strip. Lap vertical ends 6 inches minimum. 

**** OR ****

Utilize the following for roof slopes from 2:12 to 4:12. Epilay Protectite Superior is not recommended for roof slopes less than 2:12.

	B.	Weather lap each strip 50 percent plus 1 inch over previous strip. Lap vertical ends 12 inches minimum. 

	C.	Fasten top of each strip under overlapping strip approximately 1 inch from edge; use sufficient fasteners to hold strip in position until roofing is installed.

Woven or closed-cut valleys are not recommended. Provide valley liner as required by Code.
	D.	Install underlayment over valley liner as required by Code.

	E.	Lap underlayment minimum 12 inches over hips and ridges from both sides. Apply full width strip centered lengthwise over ridge. Fasten at 12 inches on center on each side.

	F.	Extend underlayment minimum 4 inches up abutting vertical surfaces.

01/03/2020