Metal Caps - Galvanized Metal Post Caps - BarrierBoss™

Metal Fence Post Caps

Name: Metal Fence Post Caps
Rating: 4.50 (2 reviews)

$ 4.99

Sale

Shipping calculated at checkout.

Available Freight Insured Returns Warranty

Buy More, Save More: Buy 15+ Pcs to Save 5%

“The driver was excellent but order picker did not ship my 13 4x4 posts.”

— Pete K., Penticton BC

“The product came fully intact . My sister was here snd had them put it in the garage. It placed very neatly. Fantastic”

— Bernice M., Summerland BC

“Connor D was very pleasant and helpful and accommodating.”

— Randall L., Vernon BC

“The delivery was fantastic but the email notice sent out gave us only hours to contact the driver because we were out of town”

— Doug D., Abbotsford BC

“Very professional and capable”

— Michelle E., Cowichan Bay BC

“Excellent experience from Day 1 to Delivery. Fabulous Staff!!!!”

— JudyandDon W., Cranbrook BC

“Went above and beyond!”

— David W., Campbell River BC

“Driver was super cool good guy”

— Ethan B., Wycliffe BC

“Dave was amazing and went way over and above what needed to be done to ensure the sauna was placed perfectly.”

— nick W., Edmonton AB

“Dave did a wonderful job getting our sauna into place for us. Thanks Dave.”

— Daniel M., Edson AB

“Order received 2 weeks early!! Well done! :)”

— Brent R., Abbotsford BC

“Practically hand carried fence panels to have these delivered to us on the island. I do not know any other company that puts”

— Elena K., Bowen Island BC

“Wide truck couldn’t get down narrow street to my house. They carried it almost 2 blocks and left in my driveway - good job”

— Jim S., Vancouver BC

“Professional and courteous. Thanks for maneuvering down the narrow driveway to unload, it was very much appreciated.”

— cynthia J., Yellowhead County AB

“Keith, the delivery guy, was excellent. Very polite, professional, and capable.”

— Larry M., Smithers BC

“Exactly what I was hoping for! Thank you so much!! Very best to you, Sandra”

— Sandra H., East Falmouth MA

“Dhruv was phenomenal. Great communication, helpful and courteous. He unloaded and even helped me carry posts up to my garage”

— Colin G., Orem UT

“Dhruv kept us posted when he will arrive. When he arrived, was was very pleasant! He helped to get the hogwire into our garag”

— Brian B., San Diego CA

“A job well done on a difficult site.”

— Kim F., Nelson BC

“Gurleen delivered as requested.”

— Craig M., Salt Spring Island BC

Quantity must be 1 or more

SKU: FPC-44NO3-BK

BarrierBoss

Summary

Stop water before it rots your posts: galvanized steel caps in a Midnight Black finish that keep moisture from pooling on top and causing splitting, rot and decay. Built for Canada's rain, snow, freeze-thaw and UV, they add a clean, finished look and slide on easily — secure with screws for extra hold in high wind, no special tools. Fits standard 4x4 (nominal 3.5") and true 6x6 wood posts. No painting or sealing required. Painted both sides over commercial-grade steel, backed by our 40-year warranty.

Specifications

MEASUREMENTS

Fits nominal 3.5"x3.5" (4"x4") and true 6"x6" wood posts.

Description

Galvanized Black Metal Post Caps – Weatherproof Protection

Why Choose Galvanized Metal Post Caps

Shield your wood fence and deck posts from Canada's rain, snow, freeze-thaw and UV damage with BarrierBoss galvanized metal post caps. Midnight Black finish on corrosion-resistant steel prevents moisture infiltration, cracking and decay while adding a sleek, finished look that lasts.

Pro Tip: Apply a thin bead of exterior-grade silicone under each cap before sliding it on for an extra-tight seal against water — especially important in Canada's freeze-thaw cycles and heavy snow regions.

Built to Withstand Canada's Harshest Conditions

BarrierBoss galvanized metal post caps are designed specifically for wood fence and deck posts, stopping water from pooling at the top and causing splitting, rot or decay. Crafted from high-grade galvanized steel with a durable Midnight Black finish, these caps offer superior rust resistance and a clean, modern appearance that elevates your fence line.

Fits standard wood post sizes: nominal 3.5"x3.5" (commonly sold as 4x4) and true 6x6. Each cap slides on easily and can be secured with screws for maximum hold — even in high-wind or stormy regions. No special tools needed.

Perfect for residential fences, rural acreage, decks, pergolas or garden borders where wood posts need reliable, long-term protection without constant maintenance or staining in Canadian weather.

Did You Know? Every BarrierBoss post cap is precision-cut and galvanized for all-weather defense, making them ideal for humid, rainy or sun-exposed climates across Canada.

Features & Benefits

Constructed from corrosion-resistant galvanized steel
Midnight Black finish for sleek, modern curb appeal
Fits nominal 3.5"x3.5" (4x4) and true 6x6 wood posts only
Prevents moisture damage, cracking and decay at post tops
Easy slip-on installation — secure with screws for extra hold
Low-maintenance solution for fences, decks and pergolas
Ideal for residential, rural or commercial fencing in Canada

Key Takeaways

Protects wood posts from Canada's freeze-thaw, snow and moisture damage
Galvanized steel with Midnight Black finish ensures longevity and style
Fits standard 4x4 (nominal 3.5"x3.5") and true 6x6 wood posts
Easy-to-install design for fences, decks and outdoor structures

Deep Dive Into Galvanized Metal Post Caps

Your Complete Metal Fence System: From Panel to Post to Gate

Shop the Look

Wood Fence Posts

Why Choose BarrierBoss?

DualCoat finish — same colour both sides
40-year warranty
factory-direct pricing
26-gauge commercial-grade steel

Why Choose BarrierBoss?

DualCoat finish — same colour both sides
fire-resistant — non-combustible steel construction

Technical Specifications

Material	Galvanized steel with DualCoat finish
Sizes	4"x4" and 5"x5" profiles, 9' and 12' lengths
Finish	Hot-dip galvanized + painted
Warranty	40-year warranty
Brand	BarrierBoss

⚖️ How We Compare

	BARRIERBOSS	Wood Fence	Vinyl	Chain-Link
Rust & finish	Galvanized steel + dip-coat — welds sealed	Rots & greys	Fades & cracks	Rusts at cuts
Fire-resistant	Solid steel — non-combustible	Fuels fire	Melts	Coating burns
Frame choice	Pressure-treated or Western Red Cedar	Basic wood	None	None
Warranty	40-year vs rust, fade & corrosion	10–15 yrs	~20 yrs	10–15 yrs
Built & delivered by us	Factory-direct & made in North America — our own freight-insured fleet delivers & unloads it	Retail, you haul	Retail, you haul	Retail, you haul

BarrierBoss specs from this product; competitor columns reflect typical products in each category.

🚚 Shipping & Delivery

Lane	Delivery	Arrives
Loose TruckUnframed & loose panels	C$49 free over C$2,500	Sep 17 – Oct 1
Crane TruckFramed, assembled & metal	C$149 free over C$2,500	Sep 17 – Oct 1
Extended regionsLoose Truck & Crane Truck	By distance & order totalNo free tier	Oct 1 – Oct 15

Delivering to

Our own trucksNo broker, no depot, no LTL terminal.

Unloaded for youOur crew sets it where you want it — crane truck for the heavy panels.

Freight-insuredDamaged in transit is replaced or refunded at no cost.

Rated 4.6 · Based on 30+ delivery reviews Our own trucks · unloaded on your property

“The driver was excellent but order picker did not ship my 13 4x4 posts.”

— Pete K., Penticton BC

“The product came fully intact . My sister was here snd had them put it in the garage. It placed very neatly. Fantastic”

— Bernice M., Summerland BC

“Connor D was very pleasant and helpful and accommodating.”

— Randall L., Vernon BC

“The delivery was fantastic but the email notice sent out gave us only hours to contact the driver because we were out of town”

— Doug D., Abbotsford BC

“Very professional and capable”

— Michelle E., Cowichan Bay BC

“Excellent experience from Day 1 to Delivery. Fabulous Staff!!!!”

— JudyandDon W., Cranbrook BC

“Went above and beyond!”

— David W., Campbell River BC

“Driver was super cool good guy”

— Ethan B., Wycliffe BC

“Dave was amazing and went way over and above what needed to be done to ensure the sauna was placed perfectly.”

— nick W., Edmonton AB

“Dave did a wonderful job getting our sauna into place for us. Thanks Dave.”

— Daniel M., Edson AB

“Order received 2 weeks early!! Well done! :)”

— Brent R., Abbotsford BC

“Practically hand carried fence panels to have these delivered to us on the island. I do not know any other company that puts”

— Elena K., Bowen Island BC

“Wide truck couldn’t get down narrow street to my house. They carried it almost 2 blocks and left in my driveway - good job”

— Jim S., Vancouver BC

“Professional and courteous. Thanks for maneuvering down the narrow driveway to unload, it was very much appreciated.”

— cynthia J., Yellowhead County AB

“Keith, the delivery guy, was excellent. Very polite, professional, and capable.”

— Larry M., Smithers BC

“Exactly what I was hoping for! Thank you so much!! Very best to you, Sandra”

— Sandra H., East Falmouth MA

“Dhruv was phenomenal. Great communication, helpful and courteous. He unloaded and even helped me carry posts up to my garage”

— Colin G., Orem UT

“Dhruv kept us posted when he will arrive. When he arrived, was was very pleasant! He helped to get the hogwire into our garag”

— Brian B., San Diego CA

“A job well done on a difficult site.”

— Kim F., Nelson BC

“Gurleen delivered as requested.”

— Craig M., Salt Spring Island BC

C$500 order minimum. Your estimated delivered date for this size, options and ZIP is in the estimate box above.

🏬 Pickup Options

Decades working steel — every piece artisan-crafted and hand-assembled in small batches, direct to your door. Years at the trade taught us exactly how steel should be cut, coated, and finished — and that same obsession goes into every panel we build. No mass-production line, no shortcuts: just fences made to outlast the property they protect. Pick up free at our West Kelowna HQ today, with an Ontario hub on the way — just Select Pickup at checkout and we’ll let you know when it’s ready.

West Kelowna, BC

1840 Byland Rd · HQ

OPEN · PICKUP

Ontario

Eastern Canada hub

PLANNED

🏅 Warranty

BarrierBoss 40-year warranty on the steel post caps and factory coating finish.

↺ Returns

Standard-size items (unused, original condition) — returnable within 30 days, subject to a 25% restocking fee. We pick returns up on our own trucks (scheduled around truck availability), at no return-freight charge to you. Because we handle the transport, you're not liable for any transit damage.
Custom, cut-to-size & made-to-order items — because these are built to your exact spec, they are final sale.
Cancellations — full refund before your order enters production; once in production or scheduled to ship, a 25% restocking fee applies.
Damaged or defective on arrival — fully covered. Every shipment is freight-insured end to end, so anything that arrives damaged is replaced or refunded at no cost — you're never on the hook for transit damage.