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Sunroom Code Information

Sunroom Code Information

◦ Any addition or attachment to the house requires a permit
◦ All our products are designed to meet code requirements
◦ We offer project specific engineering for your sunroom

Basic Classifications of Construction:
Unheated living space,
◦ Aka: 3 season room, Enclosed porch
◦ Does not need to meet energy code requirements
◦ Must be separated from house by door that meets energy specs
◦ May be designed as passive solar heating
◦ May have supplemental heat for occasional use

Heated living space,
◦ Aka: 4 season room, Family room addition, etc…..
◦ Must meet energy code requirements
◦ May be open to house by doorway, or removal of wall


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Sunroom Glass Options - LE 3 Performance Glass

Sunroom Glass Options - LE 3 Performance Glass

A new standard

Global Solarium introduces LE 3, the ultimate performance glass. It just might make all other Low-E glass obsolete. LE 3 delivers the ideal balance of solar control and high visibility, and it provides the highest levels of year-round comfort and energy savings, making it the perfect glass no matter where you live. The secret? An unprecedented triple layer of silver. This is beyond ordinary low-E glass; LE 3 sets the new standard.

Low-E times three makes the difference

LE 3 glass, now with three layers of year-round thermal protection, the benefits are exceptional. The result: a clear coating that blocks even more solar gain than ever before, reflects heat and lets the light stream in.

Energy savings all year long

The full-year benefits of LE 3 can be clearly seen. When the temperature soars in the summer, ordinary window glass just can't beat the heat. Moreover, tinted glass spoils the view. LE 3 is formulated to reject solar heat while maintaining attractive visibility. Therefore, it keeps the heat out while letting light in. As a matter of fact, LE 3 glass is our ultimate in performance.

What’s more, LE 3 provides the ultimate in fading protection. It blocks 95% of the sun's damaging ultraviolet rays - a leading cause of fading - so your furniture, carpets, curtains and wall coverings stay beautiful for years. During the cold weather, the insulating effect of your windows has a direct impact on how your rooms feel. The better insulated the glass; the warmer your room will feel.

The insulating capability of LE 3 can't be compared to any other glass product. This is a key factor in the construction of comfortable sunrooms. Additionally, the dramatic comfort improvement in sunrooms with warm glass surfaces means the humidity of the indoor air can be controlled and maintained properly. Proper humidity levels will improve comfort and promote a healthier living environment.


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Glossary of Sunroom Construction Terminology

Glossary of Sunroom Construction Terminology

Gas that is used to fill the space between two panes of glass to increase insulation.

Glass cover for a courtyard.

The distance from one edge of post to the edge of the next.

Base well:
Also known as a pony wall or knee wall. A short wall that is below the glass.

Finish aluminum trim to cover screws or unfinished material differences.

The moisture that deposits on the glass due to temperature changes.

The direction of heat as it flows from one solid material to another throught direct contact.

A classically designed sunroom.

The direction of heat as is flows through gas or liquid.

Double Pane:
Two panes of glass separated by a spacer and sealed making it a sealed unit with air or gas between them.

Where the front wall meets the roof.

Metal material that is used to waterproof between layers of construction.

Base of a foundation wall, usually concrete.

A wall that something is built on or supported by.

Front Wall:
The full front length of the sunroom between the two gable walls.

Gable End:
The sidewall or end of a sunroom.

A system of glass, gaskets, sealants, framing and any other component used in installation of glass.

Glazing Track:
The base of an extrusion that holds the glass in place.

A track that collects rain or condensation of water and diverts it to the drain.

Heat Transfer:
How heat flows from hot to cold. There are three methods of this, convection, conduction or radiation.

The dimension that is the same as the front wall.

Low E Glass:
Polaritic coating applied to the surface of glass that reflects long wave energy.

Horizontal member used to support the bottom and top edge of sunroom.

Support member that extends between the ridge and front wall.

Shading Coefficiency:
Measure of how glass transmits solar heat. SILL: Horizontal member that is installed first on the floor or pony wall.

Single Glaze:
One layer of glass.

Solar Control:
The ability of glass to resist heat flow from the sun’s direct radiation, the short wave energy that lies near visible light in the spectrum.

Solar Cool Bronze Glass:
A type of glass that has a heat reflective coating. This type of glass reduces the amount of heat entering your sunroom.

Describes... Read More


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Sunroom Installation Project Layout

Sunroom Installation Project Layout

Elements of a Sunroom Construction Project


◦ Prepare construction plans
◦ Research design parameters for location
◦ Zoning, setbacks, wetlands, wind load, snow load, seismic, energy
◦ Onsite utilities locations including septic or sewer issues
◦ Water runoff plan
◦ Elevations
◦ Draw site plan and complete permit application and associated documents
◦ Obtain structural engineering for proposed structure
◦ File documents with permitting authority


◦ Removal of existing decks, patio slabs, turf, plants not included in new plan
◦ Cut back rafter tails if needed
◦ Hauling and proper disposal of demo scrap (recycle if appropriate)

Excavation, Foundation and Floor Structure:

◦ Foundation piers for new or existing deck
◦ Monolithe concrete slab
◦ Full concrete footing and stemwall foundation for wood framed floor

Roof Structure Prep:

◦ Cut back or brace rafter tails for sunroom roof attachment
◦ Build 'gable cricket” for gabled sunroom roof
◦ Add structural members to support sunroom roof beams

Wall Construction:

◦ Build 'pony” or 'knee” walls if included in design
◦ Provide for wall attachment of sunroom to house

Sunroom Construction:

◦ Install predesigned structural framework and glass


◦ Schedule electrician for rough in and trim at appropriate times


◦ Schedule plumber for rough in and trim at appropriate times


◦ Schedule HVAC installer at appropriate times

Interior finishes:

◦ Insulation (in pony walls)
◦ Drywall or paneling (pony walls and back wall)
◦ Flooring


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Sunroom Options

Sunroom Options

Glass or solid panel

Glass or solid panel
Framed 'knee wall” available on some models

Sliding, single swing, double swing

Fixed, sliding, single and double hung, awning and casement available in most models

Included on all models except curved eave

Glass Grids:
Standard and custom designs available in white, almond and bronze

Ridge Trim:
European style cresting and finials available


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Sunroom Glass Options - LE 3 Performance Glass
Sunroom Glass Options - LE 3 Performance Glass
Glossary of Sunroom Construction Terminology
Glossary of Sunroom Construction Terminology
Sunroom Installation Project Layout
Sunroom Installation Project Layout
Sunroom Options
Sunroom Options

Sun Design LLC
Sun Design LLC

Jim Stewart, 360-888-6274

Click to Call: 360-888-6274

4221 Boulevard Rd SE, Olympia, WA 98501

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