Where to Put Weatherstripping on Doors in Commercial Spaces – Find Out Now!

Why is weatherstripping important for commercial doors?

In commercial buildings, doors are constantly in use—whether they’re entryways, service doors, or loading bay access points. Without proper sealing, gaps around these doors allow drafts, moisture, dust, and even pests to enter. This not only raises heating and cooling costs but can also impact comfort for employees and customers. As with commercial windows, weatherstripping is the solution—it seals those gaps and improves overall building efficiency.

Where to put weatherstripping on doors in a commercial setting?

The same principle applies as with residential doors: seal every potential gap. Focus on these areas:

• Sides (door jambs) – Use heavy-duty adhesive like butyl tape or industrial V-strip to seal the vertical edges.

• Top (head jamb) – Apply weatherstripping across the top edge to block overhead drafts.

• Bottom (door sweep or threshold system) – Install a reinforced door sweep or commercial-grade threshold to seal the gap under the door.

A complete perimeter seal around the sides, top, and bottom keeps conditioned air inside and unwanted elements out.

What type of weatherstripping works best for commercial doors?

Commercial doors face heavier traffic, so durability is key:

• Silicone or heavy-duty vinyl weatherstripping for sides and top.

• Aluminum and rubber door sweeps for the bottom edge.

• Automatic door bottoms for high-use entryways—they drop a seal when the door closes and retract when it opens.

Can all types of commercial doors be weatherstripped?

Absolutely. From aluminum storefront doors to steel service doors and hollow metal fire doors, there are weatherstripping solutions for nearly every type. Just be sure to select materials that can handle the door’s size, weight, and usage frequency.

How often should commercial door weatherstripping be inspected or replaced?

Commercial doors experience more wear and tear, so inspect them at least twice a year. Look for:

• Cracked, brittle, or missing weatherstripping.

• Gaps where the seal has loosened.

• Increased energy bills or noticeable drafts.

Replacing worn weatherstripping promptly saves on maintenance costs and keeps the building comfortable.

Conclusion

Knowing where to put weatherstripping on doors is essential for keeping a commercial building energy-efficient, secure, and comfortable. By sealing the sides, top, and bottom with the right materials, you’ll reduce energy loss, protect your space from the elements, and extend the life of your doors. For more information or help ordering the correct weatherstripping, Contact Us Today! The WRS Team will be happy to assist you.