Glass Technology

How impact glass works

Cross-section diagram of laminated impact glass: two lites of glass bonded with a tough PVB or SGP interlayer

Impact (laminated) glass

Laminated means two lites of glass with a tough interlayer in between. If the glass cracks, it stays put in the frame.

PVB — Polyvinyl Butyral. The standard architectural interlayer.

SGP — Ionoplast interlayer. Bonded directly between two layers of glass for superior protection. The rigid interlayer minimizes deflection.

Diagram of Low-E coated glass letting daylight through while reflecting the sun's heat and UV back outside

Low-E glass

It's an invisible coating on the glass that lets the daylight in but bounces a lot of the sun's heat and UV back outside. You keep the view, and your AC doesn't work as hard.

Cross-section diagram of insulated laminated glass: laminated impact glass, a sealed air space and an additional pane

Insulated laminated glass

It's the same laminated impact glass that holds together in a storm, plus a sealed air space and one more pane of glass. That air space slows heat coming in and helps keep outside noise out, so the house stays cooler and quieter.

WINDOW TYPES

Find the right window

Horizontal roller window illustration: two panels, one sliding sideways

Horizontal Roller

Slides side to side.

Single hung window illustration: bottom sash slides up

Single Hung

Bottom sash slides up.

Casement window illustration: sash hinged on the side

Casement

Hinged on the side.

Fixed casement window illustration: casement look that does not open

Fixed Casement

Casement look, doesn't open.

Fixed picture window illustration: single large pane that does not open

Fixed (Picture) Window

Doesn't open.

Awning projected window illustration: sash hinged at the top

Awning / Projected

Hinged at the top.

DOOR TYPES

Find the right door

Sliding glass door illustration: panels slide side to side

Sliding Glass Door

Panels slide side to side.

French door illustration: hinged doors that swing open

French Door

Hinged doors that swing open.

My favorite combo: a black frame with clear Low-E glass.

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