Plastic Gutter Expansion Joint

We would never recommend replacing just the seal rather than the whole fitting.

Plastic gutter expansion joint.

For a metal gutter scrape any dirt out of the joint and dry it. Plastic guttering is very convenient in that it is stocked by every builders merchants in the. Fortunately replacing a leaky gutter fitting is a relatively simple task. Occasionally gutter seams or joints open producing major leaks.

At this time of year most gutter leaks are due to the thermal expansion characteristics of pvc u. If you have plastic guttering joined with a union piece one of the gaskets seals may be damaged. Correctly sealing a slip joint requires an adequate sealant and properly seating both lengths of gutter in the joint. However when both materials experience expansion and contraction simultaneously the almost 2 combined effect could have severe consequences to the gutter.

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. P o box 38 barnes city ia 50027 0038. Squeeze the gutter to release the union piece peel the gasket away and replace it. 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.

Then inject roof and gutter sealant into the joint with an applicator gun. On hot or cold days plastic pipes expand and contract. Knowing how to repair plastic gutter seams early on reduces the chance of further damage and possibly a major repair. 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.

Get free shipping on qualified plastic gutter systems or buy online pick up in store today in the building materials department.