Plastic Gutter Expansion Joint

If you have plastic guttering joined with a union piece one of the gaskets seals may be damaged.

Plastic gutter expansion joint.

Repairing the seal in a plastic gutter seam will keep the water from pouring into your woodwork. On an old plastic gutter system any type of outside force or interference on the gutter or fittings can cause a breakdown in the seals that will manifest itself as a leak. Occasionally gutter seams or joints open producing major leaks. The expansion or contraction of either of these materials may be enough individually to cause heat buckling of gutter material if precautions are not taken during gutter installation.

At this time of year most gutter leaks are due to the thermal expansion characteristics of pvc u. We would never recommend replacing just the seal rather than the whole fitting. However when both materials experience expansion and contraction simultaneously the almost 2 combined effect could have severe consequences to the gutter. Fortunately replacing a leaky gutter fitting is a relatively simple task.

Knowing how to repair plastic gutter seams early on reduces the chance of further damage and possibly a major repair. Get free shipping on qualified plastic gutter systems or buy online pick up in store today in the building materials department. Plastic guttering does suffer from thermal expansion and will sometimes slip out of the joints in this case it is best to replace the part rather than trying to seal any gaps with mastic sealant as this is a questionable method to repair guttering with expandable gutter joints. To compensate for that osma guttering systems have an expansion line built into each fitting.

For a metal gutter scrape any dirt out of the joint and dry it. On hot or cold days plastic pipes expand and contract. Then inject roof and gutter sealant into the joint with an applicator gun. Squeeze the gutter to release the union piece peel the gasket away and replace it.

Correctly sealing a slip joint requires an adequate sealant and properly seating both lengths of gutter in the joint.