How Roofers Match Slates on Older Dundee Roofs
A useful slate match considers size, thickness, colour, surface texture and how the existing courses are laid. Appearance is only one part of a sound repair.
A useful slate match considers size, thickness, colour, surface texture and how the existing courses are laid. Appearance is only one part of a sound repair.
Start with size, thickness and lap
Replacement slates need to sit with the existing courses and maintain suitable overlap. A slate that looks close in colour may still be the wrong size or thickness for the roof.
Compare colour and surface texture
Older roofs often contain natural variation and weathering. Samples should be viewed beside the roof in normal daylight rather than chosen from a small screen image.
Check why the original slate moved
A broken slate can be local. Several slipped slates may point to fixing problems, so the roofer should check the surrounding courses before replacing one piece.
What the repair quote should explain
Ask how the replacement slate will be sourced, fixed and blended with nearby work. The quote should also cover safe access and any additional loose slates found during inspection.
Questions about this topic
Can roof photographs answer every question about matching slates on an older roof?
No. Clear photographs help, but hidden underlay, fixings, deck and water routes may still need close inspection.
Should I inspect matching slates on an older roof by climbing onto the roof?
No. Roof work is dangerous even when the check seems quick. Photograph matching slates on an older roof from ground level or a safe window and leave close access to trained people with the right equipment.
When should I request a written quote for matching slates on an older roof?
Ask for a written quote after matching slates on an older roof and the access needs have been assessed. It should set out the work, materials, exclusions and any likely extras.