A gutter guard that traps debris is a bigger problem to a roof since the debris can wick water up the shingles where it can cause problems.
Gutter guards not under shingles.
Tired of gutter cleaning.
Because shingle roofs are so beautiful and distinctive gutter guards that have to be placed under the 2nd or 3rd row of shingles will interfere with the classic appearance of heritage roofing.
Some homeowners think it is necessary to nail the gutter guard into either on top of or just beneath the roof s shingles.
After all if a contractor is selling a gutter guard that cannot install under the shingles then their best tactic is to scare homeowners by telling them that installing gutter guards under their shingles will void their shingle warranty.
We ve never seen it.
Thick extruded products can t do this and often angle the shingle away from the subroof.
A voided warranty that is.
The part of mastershield that slips up under the shingles should not cause the shingles to bend or change how they currently lay on your roof i e the back fin of mastershield should stay on the same plane as the sub roof.
Most owners of shingle roofs are aware that screwing down gutter guards under the shingles is not a feasible option.
When water sits on a shingle like its doing here it can work its way under the shingles at every seam.
If you plan on installing gutter guards on your own there are a number of different considerations you need to be aware of.