Grace Ice & Water Shield Roofing Underlayment 3' x 66.6'

The Grace Ice & Water Shield Roofing Underlayment 3' x 66.6' is a ice & water underlayment from Grace for exact-match material ordering. Match manufacturer model/MPN 652811. This variant is sold as RL with SKU GRAV3. 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.

Key Specs

• Brand: Grace
• Model / MPN: 652811
• SKU: GRAV3
• Sell unit: RL
• Product type: Ice & Water Underlayment
• Size: 3' x 66-2/3'
• Color / finish: 3' x 66-2/3'
• Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Ice & Water Underlayment | Underlayment | Underlayment/Ice & Water Underlayment

Key Features

• The rubberized asphalt layer in Grace Ice and Water Shield membrane seals around fasteners, resisting leakage caused by water back-up behind ice dams or from wind driven rain
• The self-adhesive membrane bonds firmly to the roof deck without need for heat or special adhesives
• Membrane easily forms water-tight overlaps without special treatment
• Grace Ice and Water Shield® roofing underlayment protects under slate, tile, cedar shakes or metal, as well as under conventional asphalt shingles

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

Grace Ice & Water Shield Roofing Underlayment 3' x 66.6', sold as RL, SKU GRAV3, manufacturer model/MPN 652811.

What unit is the price based on?

The price is for the RL sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when Grace, SKU GRAV3, RL sell unit, and MPN 652811 match the job requirement.