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A Staple of Roof Repair

Del-Val 211

Flashing Cement

High-Quality, Great on Flat & Vertical Surfaces, All-Purpose Repair Cement

Description

Del-Val 211 Flashing Cement is a high-quality cement that is formulated to a heavy smooth trowel consistency. This product is used as a cold applied flashing cement in many types of asphalt roof membranes. Del-Val 211 Flashing Cement is ideal for flashing details and a variety of waterproofing repairs such as roof penetrations and moving joints.

High-quality cement ideal for flashing details and a variety of waterproofing repairs such as roof penetrations and moving joints.

Where to Use Del-Val 211 Flashing Cement
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Quick Application Guide

Min Mil Thickness

1/8″

Apply with Trowel

Larger Areas

1/4″–2″

Embed with Fabric

Coverage Rate

8 GAL

Per Square (Per Coat)

Uses

Specially formulated for vertical surfaces. This product is primary used for repairing flashings, asphalt shingles, built-up roofs, metal and masonry surfaces. Great for sealing leaks and openings at flashings (chimneys, vents, skylights, metal joints, gutters). Damp-proofing of concrete, masonry walls and foundations. DO NOT USE with EPDM, PVC, TPO or other single-ply membranes.

Preparation

Surface must be clean and free of dirt, dust, oil or grease and be free of any other foreign matter that would interfere with good adhesion. In colder climates we recommend storing the product at room temperature for 24 hours prior to application.

Application

Apply with a trowel or putty knife. Spread Del-Val 211 Flashing Cement to approximately 1/8″ thickness and work thoroughly into the problem area. Repairing cracks and blisters: if the area is 1/4″ wide to 2″ long, apply United Asphalt Cotton or Fiberglass Fabric for reinforcement then cover with additional cement.

Coverage

Approximately 8 gallons per sq (per coat)

Cleanup Del-Val 211 Flashing Cement

Clean tools with Del-Val Orange Cleaner & Degreaser or mineral spirits, taking necessary precautions when handling combustible liquids.

Code Approvals / Compliance

This product meets or exceeds the requirements of ASTM 4586 Type I

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Frequently Asked Questions (FAQ)

What is the coverage rate?
2
5

The basic guidance for coverage is about 8 gallons per square (per coat). More specifically, we recommend spreading Del-Val 211 Flashing Cement to approximately 1/8" thickness and to work thoroughly into the problem area. Repairing cracks and blisters: if the area is 1/4” wide to 2” long, apply United Asphalt Cotton or Fiberglass Fabric for reinforcement then cover with additional cement. To make it easier to determine how much you will need for your job, we've put together a calculator tool.

What is the lowest temperature I can apply Del-Val 211 Flashing Cement?
2
5

The lowest temperature Del-Val 211 should be applied is 40°F.

Our roof cements are modified in production to semi, winter & summer grades to make them most workable in their respective temperature & climate zones. If you require a specific grade, be sure to request it when you place your order with your distributor.

Product Information

Sizes Available

1 Gallon Capacity Pail
5 Gallon Capacity Pail

Tools Needed

Trowel Tool Graphic
Spackle Knife Tool Graphic

DATA SHEETS

Available From These Distributors

Click a logo to find a location close to you.

ABC Supply Co Distributor Logo
Beacon Roofing Supply Distributor Logo
J & L Building Materials Inc. Distributor Logo
New Castle Building Products Distributor Logo
Image of SRS Distribution's Logo
Universal Supply Co Distributor Logo
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