Quad-Seal Collection

Provides you with a modern contemporary flat exterior look

Fixed Casement Window

Our Fixed Casement Windows are designed with a structural frame to accommodate larger openings, creating a spectacular visual effect. Combined with other window styles, fixed casement windows create an elegant expanse of glass.

With a classic interior contour design that will match the size and appearance of our casement and awning windows, you can expect an attractive, uniform look, and operational versatility.

Quad-Seal Collection

Provides you with a modern contemporary flat exterior look

Fixed Casement Window

With a classic interior contour design that will match the size and appearance of our casement and awning windows, you can expect an attractive, uniform look, and operational versatility.

Standard Features

Our exclusive Quad-Seal System® ensures a superior seal
Shadow groove cleaned corners
7/8” insulated thermal dual-seal glass with Quanex Super spacer for optimum efficiency
Integrated self-drainage system
Interior Heritage glazing with modern co-extruded seal technology for a classic craftsmanship finish
Insulated thermal dual-seal glass with Super Spacer for optimum efficiency
Multi-chamber design that provides maximum strength to the window as well as a high level of insulation

Energy Ratings

Model	Brand	ENERGY STAR Most Efficient 2021	U-factor (W/m2 – K)	Solar Heat Gain (SHGC)	Energy Rating
						L-FC-DG,CLR/LOE180	Weather Seal Windows	N	1.51	0.53	37
L-FC- TG,CLR/CLR/LOE180- GRL	Weather Seal Windows	N	1.16	0.43	39
						L-FC- TG,CLR/LOE272/CLR- GRL	Weather Seal Windows	N	1.14	0.32	33
L-FC-DG,LOE180/I89- GRL	Weather Seal Windows	N	1.29	0.44	37
						L-FC-DG,CLR/LOE180- GRL	Weather Seal Windows	N	1.54	0.48	34
L-FC- DG,LOE180/LOE180	Weather Seal Windows	N	1.46	0.47	35
						L-FC- TG,CLR/LOE272/CLR	Weather Seal Windows	N	1.14	0.35	35

Model	Brand	ENERGY STAR Most Efficient 2021	U-factor (W/m2 – K)	Solar Heat Gain (SHGC)	Energy Rating
						L-FC- TG,LOE180/LOE180/I89- GRL	Weather Seal Windows	Y	0.84	0.37	43
L-FC- TG,LOE180/CLR/LOE180	Weather Seal Windows	Y	0.9	0.43	45
						L-FC-DG,LOE180/I89	Weather Seal Windows	Y	1.27	0.48	40
L-FC- TG,LOE180/CLR/LOE180- GRL	Weather Seal Windows	Y	0.92	0.39	42
						L-FC- TG,CLR/CLR/LOE180	Weather Seal Windows	Y	1.13	0.47	42
L-FC- TG,CLR/LOE272/272- GRL	Weather Seal Windows	Y	0.89	0.28	36
						L-FC- TG,CLR/LOE272/272	Weather Seal Windows	Y	0.87	0.31	39
L-FC- TG,LOE180/LOE180/I89	Weather Seal Windows	Y	0.83	0.41	45

Model	Brand	ENERGY STAR Most Efficient 2021	U-factor (W/m2 – K)	Solar Heat Gain (SHGC)	Energy Rating
						WEATHERSEA175A-CL- CG7568-ARG	Weather Seal Windows	N	1.58	0.52	35
FC- TG,LOE180/CLR/LOE180- GRL	Weather Seal Windows	N	1.16	0.39	37
						FC- TG,CLR/CLR/LOE180- GRL	Weather Seal Windows	N	1.41	0.43	34
FC-DG,CLR/LOE180	Weather Seal Windows	N	1.5	0.52	37
						FC-DG,CLR/LOE180-GRL	Weather Seal Windows	N	1.55	0.48	34
FC-DG,LOE180/LOE180	Weather Seal Windows	N	1.45	0.47	35
						FC-TG,CLR/CLR/LOE180	Weather Seal Windows	N	1.32	0.47	38
FC- TG,LOE180/CLR/LOE180	Weather Seal Windows	Y	1.11	0.43	41

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Warranty Information

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Standard Glass: DOUBLE INSULATED GLASS Overall Thickness 7/8"

Optional Glass: TRIPLE INSULATED GLASS Overall Thickness 1 3/8"

Click each logo to learn more about each glass option

SuperSpacer® Premium Plus

Weather Seal uses SuperSpacer Premium Plus for all its manufactured windows, designed specifically for the North American climate. SuperSpacer Premium Plus, provides the warmest, highest performance glass spacer on the market. SuperSpacer Premium Plus warm edge spacer is made of high-performance silicone material with integrally incorporated desiccant – which many designers and architects prefer. Even with its aesthetically pleasing narrow sightline, SuperSpacer Premium Plus delivers high wind load resistance, exceptional thermal performance, argon gas retention and long-term durability.
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