Headlap Roofing

All american slate roofing slates are pre dilled with two nail holes.

Headlap roofing.

Available in a variety of colors. Includes proprietary post treatment and adhesion promoter coating to reduce staining color variability and improve adhesion. Set the standard for excellence quality durability and innovation. Standard headlap these days is 3 however the headlap varies according to slope figure 3.

This is achieved by simply increasing the headlap to 4. 3m headlap roofing granules are used in the headlap area of roofing materials. Headlap is what keeps the water from penetrating through the roof. Remove architecture construction remove roofing.

For a 3 dhl add 7 5. Headlap is essen tially what renders the roof water tight. Headlap is what renders the roof water tight. Standard headlap these days is 3 inches however the headlap varies according to slope figure 3.

If there is no headlap the roof will leak. 3m headlap roofing granules. 3m headlap roofing granules. We are a family owned company that has been committed to manufacturing quality residential and commercial roofing products since 1951.

Our company motto is roofing excellence and that s what we do. If there is no headlap the roof will leak. Tough dense non porous weather and uv resistant ceramic coated rock. The weights given above are based on a 2 double headlap dhl.