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TOPCAP 90

BEFORE

AFTER

FASCIACAP 90

BEFORE

AFTER

Are contraction gaps making you rethink your decking choice? Well, stop your gapping and grab the GAPCAP™!

GAPCAP™ saves both time and money by preventing annoying deck imperfections. GAPCAP™ works on treated and composite wood, new or existing.

Colors are available in black, gray, and brown.

Works on treated and composite decking

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Works on NEW and EXISTING decking

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Patent Pending

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Made in the USA

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Works on treated and composite decking | Works on NEW and EXISTING decking I Patent Pending | Made in the USA |

The expansion and contraction of deck boards due to seasonal movement results in unsightly gaps at the corners, leading to frustration for contractors and deck owners alike. Well, stop your gapping and grab the GAPCAP™!

WHAT IS GAPCAP™?

GAPCAP™ INSTALLATION

View more installation videos here

INSTALLATION INSTRUCTIONS

Please click on your choice of downloadable instructions (in PDF format):

Instruction sheet for installing GapCap around corner posts of a deck, including tools needed and step-by-step guidance.

Installation Instructions for Corners With Posts

Installation instructions for GapCap, TopCap 90 retrofit, including steps for measuring, cutting, and securing deck board sections, with safety tips and final check procedures, presented in a comprehensive PDF document.

Installation Instructions for TopCap Retrofit

Cover page of a PDF document titled 'FasciaCap Stair Riser Installation Instructions' with a logo 'GAP CAP' at the top.

Installation Instructions for FasicaCap on a Stair Riser

A PDF document titled 'GapCap, TopCap 90 Installation Instructions' with detailed step-by-step instructions for installing a deck cover cap, including measuring, marking, installing deck boards, and securing the cap.

Installation Instructions for TopCap

Cover page of installation instructions for GapCap and FasciaCap 90, including steps for setup, measuring, and installing the fascia cap on a deck, with a large PDF icon at the bottom.

Installation Instructions for FasciaCap

A black and white PDF icon with a document symbol, displaying the text 'GAPCAP' at the top and 'PDF' at the bottom.

Plug Installation Instructions

Purchase GapCap™ at:

Frontier Home Products & Design Center logo with maroon and black text.

4213 Peach Street, Erie, PA
(814) 868-4663

Carter Lumber logo with green text and red underline

Participating Carter Lumber Locations

Hobbs Do it Center store sign with red background, white and yellow text

606 Erie Street, Edinboro, PA
(814) 734-1625

MEET THE OWNERS & INVENTORS

Two people, a woman and a man, wearing black shirts with yellow logos reading "GAP CAP," smiling and standing close together against a dark background.

GAPCAP™ is owned by Andrea & Doug Bierer.  We create solutions​ for contractors and homeowners to help solve some of the frustrations of construction. 

We are a husband-wife team that has been working in the home improvement and remodeling industry for more than two decades and are based out of Erie, PA. 

CONTACT US