How To Apply White Cement On Roof

Avoid using plastic roof cement.

How to apply white cement on roof.

Apply cement up to 1 2 inch thick when sealing flashing. Apply roof cement with a trowel going to a depth of about 1 8 inch. It is best to work in small areas rather than try to do all at once. If you have larger holes or fissures in the roofing you may need to install rolled roofing or other fabrics first before sealing it over with.

10 year limited. Serious ponding should be referred to a roofing contractor. When patching a roof blister open the blister and allow it to dry thoroughly before applying roof cement. In larger or deep ponding areas apply elastek 500 puddle plaster to fill in areas that hold water.

For roof blisters bust the blister open and make sure it s dry first before applying the cement. Old patches of roof cement should be removed and rust should be cleaned from metal surfaces. Before applying plastic roofing cement the surface must be clean and dry. Made from heavy bodied asphalt it spreads easily.

For sealing down shingles or flashing use around a quarter to half inch thick layer of roofing cement. Apply from 0 f to 120 f 18 c to 49 c 100 wet surface adhesion per astm d3409 standard test method for adhesion of asphalt roof cement to damp wet or underwater surfaces. Roofing cement can be use to seal a roof and to fix tiles shingles roll asphalt and any other roof material. This surface preparation ensures that the cement has the ideal surface to bond to.

No blistering sagging or sliding per astm d4586 standard specification for asphalt roof cement. This will enable you more control. Using elastek 103 crack joint sealant and reinforce with polyester roof fabric as necessary. Rubberized for improved flexibility and durability.

It forms a tough film that won t become brittle and crack in the coldest weather or run and sag in the hottest.