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TH Siding & Eavestrough — siding, eavestrough, soffit & fascia, Alu-Rex gutter guards, and metal capping. Serving Sarnia-Lambton and southwestern Ontario. Keep your home looking sharp — without the upkeep.

Contact us
Address Sarnia, ON, Canada
Contact us
Address Sarnia, ON, Canada
Protect it. Forget it.

Metal Capping

We cover exposed wood with durable, custom-fitted aluminum — preventing rot, weather damage, and peeling paint for years.

  • Sarnia-Lambton & southwestern Ontario
Modern entrance with aluminum-capped posts and door surround

Metal capping: protect your home and eliminate ongoing maintenance.

Protect your home and eliminate ongoing maintenance with our aluminum capping solutions. By covering exposed wood around your windows, doors, and roofline with durable, custom-fitted aluminum, we help prevent rot, weather damage, and peeling paint.

Not only does aluminum capping extend the life of your home's exterior, but it also gives it a clean, finished look that lasts for years. Enjoy a worry-free solution that keeps your home looking sharp without the need for constant upkeep.

  • Window and door surrounds, posts, and rooflines
  • Durable aluminum, custom-fitted on site
  • Prevents rot, weather damage, and peeling paint
  • Wide choice of colours to match your exterior
  • Local team — Sarnia-Lambton & southwestern Ontario

Never paint your trim again

Every piece of exposed wood on your exterior is a maintenance commitment: scraping, priming, painting — and repeating it every few years as Lake Huron weather does its work. Metal capping ends that cycle. We bend each piece of aluminum to measure on site, so it wraps your existing trim precisely — window sills, door frames, posts, beams, and roofline boards. Water sheds off, wood stays dry, and the finish keeps its colour for years.

01.
No more repainting

Factory-finished aluminum keeps its colour — no scraping, priming, or brushes.

02.
Rot prevention

Custom-fitted capping sheds water and keeps the wood underneath dry.

03.
A finished look

Crisp, uniform trim lines that sharpen your home's whole appearance.

Frequently asked questions

Almost any exposed exterior wood: window and door surrounds, sills, fascia boards, posts, beams, and garage door frames. We bend each piece to measure on site for a precise fit.

Yes — factory-finished aluminum comes in a wide range of colours, so your capping can match or deliberately contrast your siding, windows, and eavestroughs.