Business Logistics

Post Fire Retardant Treatment

Question: 

Is a Class A fire rating (provided by our liquid spray-on fire retardant) acceptable in certain situations?

Allowable Deflection In Floor Trusses

Question: 

Is there a chart available on the allowable amount of deflection on floor trusses?

Truss Technician Requirements Definition

Question: 

What are the qualifications (if any) required to be considered a truss technician?

Transforming Attic Into Living Space

Question: 

We are looking into developing the attic space above our garage into a media room. The garage is attached to the home and we would enter this area from the living room. We recently read if you have a truss system that in order to develop the attic, one would have to replace the entire roof with conventional construction. My question is: can we safely develop this trussed area above our garage?

Comparison Of Stick And Component Framing

Question: 

Does SBCA produce any products detailing how to market and sell roof and floor trusses to builders for whom stick framing has been the standard way of building? Products that detail the cost savings when compared to traditional stick framing?

Design Responsibilities

Question: 

My company supplied roof trusses for a hotel project. The building inspector shut the project down because the trusses were not designed to account for additional snowdrift loading. The construction plans did not contain any snowdrift loading information. The architect is claiming it is our responsibility to determine drift loading, therefore we must fix the problem. Do you have any documentation to help us dispute the architect’s claim?

Truss Uplift

Question: 

What is truss uplift?

Changes In Roof Pitch

Question: 

We are changing plans from a two story home to a one story home. The original roof pitch is 12/12 with three dormer windows, one large one in the center and a smaller one on either side. Can you tell us what pitch would be advisable under this new plan still using the dormers?

Remedy For Bouncy Floor Trusses

Question: 

We are experiencing problems with bouncy wood floor trusses. I'm wondering what the industry standard is on deflections (live and total load). Also, do you have any ideas on how to decrease the deflection without affecting the profit margin significantly?

In Floor Radiant Heat

Question: 

Do you have any information on the use of in-floor radiant heat with 4x2 open-web floor trusses? Are there any adverse effects to the lumber as a result of moisture build up?