Inaccurate measurements result in sick-fitting flashing that compromises water safety. Normally measure 2 times and Reduce the moment, permitting for right overlaps of a minimum of two inches between flashing items.
Significant-responsibility work gloves defend your fingers from sharp metal edges and sizzling surfaces when working with flashing elements.
Instead, posture nails at the highest edge the place they’ll be coated by shingles or counter flashing. For masonry connections, steer clear of ordinary screws in favor of masonry screws with rubber washers or guide anchors that reduce h2o seepage.
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For prefabricated chimneys, counter flashing normally attaches with designated mounting brackets or specialized fasteners provided by the producer. Constantly make sure the decreased fringe of the counter flashing continues to be free and unsealed, permitting for organic growth with no compromising h2o drainage.
Wear non-slip roofing shoes, a safety harness attached to an anchor point, and carry tools inside a Instrument belt to keep your hands totally free whilst climbing. Pick a very clear, dry day with minimum wind for optimum safety circumstances.
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For masonry chimneys, secure counter flashing utilizing masonry screws with rubber washers placed each 12 inches along the mortar joint. After installation, utilize a superior-quality silicone caulk or roofing cement together the best edge wherever the flashing fulfills the mortar.
Decide on sealants based on your roof variety: high-good quality silicone or polyurethane sealants work properly for asphalt shingle roofs, elastomeric sealants are perfect for metal roofs, and butyl rubber sealants are best for tile or slate roofs.
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Extreme rust or corrosion over the aluminum and copper flashing meaning that the material has weakened considerably.
For steel flashing, utilize rust-inhibiting primer and paint specifically formulated for roofing applications. Deal with tiny rust places promptly by sanding them down and implementing appropriate therapy.
Use a skinny, regular bead together all seams where by step flashing meets counter flashing and exactly where counter flashing enters mortar joints.
Changing step flashing or counterflashing is a more concerned course of action and ordinarily demands a lot more time and elements than insignificant repairs. The final scope of work is determined by the kind of flashing, the extent of deterioration, and roof accessibility.