Window Films & Multi-Pane Upgrades

Where Heat Breaks Through.

Windows are the most underestimated weak point on a wildfire-zone home. Single-pane glass and aluminum frames fail under radiant heat from a nearby fire long before the flame front arrives — and once a window fails, the fire has direct interior access. The Wildfire Prepared Home Plus standard calls for dual-pane tempered glass on all exterior windows. For homeowners who aren't ready for a full upgrade, ASTM-tested window films provide a measurable interim hardening step.

Dual-pane tempered window with corner etching visible

Plus-level

Window upgrades are a Plus-level item under the WPH standard.

Single-pane

The most vulnerable assembly. Fails first under radiant heat.

Tempered

Required glazing for the WPH Plus designation (corner etching visible).

What We Do on Your Windows.

Inventory, identification, coordinated replacement, and interim film application where full replacement isn't practical.

  • Inventory of every exterior window: glazing, frame material, visible tempering, condition
  • Identification of windows that already meet the WPH Plus standard (dual-pane tempered or glass block)
  • Coordinated quote with a vetted window contractor for full replacements where needed
  • Application of ASTM-tested window films as an interim hardening step on vulnerable windows
  • Photo-documented inventory and recommended upgrade plan

We coordinate window replacement through a vetted contractor. Window films we apply ourselves on a case-by-case basis when replacement isn't practical.

This work meets the following compliance standards:

  • WPH Plus item 5
  • ASTM E1996 (large missile impact)
  • ASTM E283 (air infiltration)
  • Dual-pane tempered (corner-etched)
  • CA Title 24

How We Audit Your Windows.

  1. Inspection

    Exterior-only walkthrough. We photograph every vent, gutter line, fence segment, and the five feet around your foundation. No entry to your home required.

  2. Risk Report

    An EmberSafe Inspection Report flagging the openings most likely to fail in an ember storm, with photos, locations, and a prioritized retrofit plan.

  3. Plan & Permits

    We scope the work, pull required permits, and schedule around fire season.

  4. Retrofit

    Certified install. Vent assemblies, gutter guards, Zone 0 hardening — whatever your home needs, in the order that protects you fastest.

  5. Documentation

    Before/after photos, materials list, and an insurance-ready summary. Yours to share with whoever you choose.

Frequently Asked Questions.

Will window film alone qualify under the WPH Plus standard?
No. The Plus standard specifies dual-pane tempered glass or glass block. Window film is an interim hardening step — it buys time and measurably reduces radiant heat transmission, but it does not replace the glazing requirement for Plus designation.
How do I tell if my windows are already tempered?
Tempered glass has a manufacturer's etching in one corner of each pane. We inventory every window and note which ones already meet the standard.
Are window upgrades worth it before I'm ready to replace the whole roof and siding?
It depends on your fire severity zone and your insurance posture. Windows are Plus-level — they sit on top of the Base requirements. Most homeowners address Base items first (vents, Zone 0, gutters). Window upgrades come later for those pursuing the Plus designation.
Will films void my window warranty?
Some manufacturers do treat film as a warranty-affecting modification. We check the warranty terms on your specific windows before recommending film.

Ready when you are.

Start with a Free Window Inventory.

We'll walk your home, photograph what we find, and send you an EmberSafe Inspection Report — no obligation.