FlashMaster / Guttertech Inc. 
Ideas Converted to Metal /  Manufacturer of Commercial Rainware

For over 40 years, FlashMaster / Guttertech Inc. have been providing customers in the greater St. Louis and surrounding areas with high quality commercial and residential architectural sheet metal products at affordable prices. 

FlashMaster's line includes 14 products, from valley flashing and pitch pans to gravel stop and roof edging, offered in popular sizes, colors and materials.

We stock many of these products, which enables us to provide excellent customer service. Also, our flashings are pre-notched - a feature that eliminates the need for costly field notching and clean-up.

A recent addition to our material choices for commercial products is 24 ga. white TPO-coated steel.

Guttertech makes one of the strongest and most cost effective roof drainage systems available. Our patented 6" box gutter and gusseted gutter stays combine to provide a product that lasts with minimal maintenance. The gutter is designed with the back a full 1" higher than the front, which meets long-standing architectural sheet metal specifications (source:  Arch. Sheet Metal Manual, 1993 edition). Gutters, scupper boxes and faux scuppers (all patented products), are designed with matching profiles which make an appealing presentation of a commercial or residential project. 

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