Add a final layer of roofing cement for a watertight patch. After covering the mend with the patch, use your trowel to apply a heavy layer of roofing cement aan the entire repaired area. Finally, 'the material that was used can affect the repairability of the roof – shingles are https://angeloxdhmr.thecomputerwiki.com/5045579/de_grootste_gids_naar_broken_skylights