Have you ever thought
about installing your own Solar Panels?
Did you know a self-installed system can cost half of a professional installer’s price?
Have you seen all of the “Do - it – Yourself” websites and resources that provide “Free” design services from start to finish, and sometimes even free delivery?
The “Do – it – yourself” solar community is growing at an amazing rate and more and more on-line resources are becoming available each day - for Free! All that’s left is the actual install itself.
The proper installation of a solar system on a shingle/composition roof requires anchoring, mounting or racking systems to the underlying rafters. The most common anchoring systems use lag bolts and pull out strength calculations based on center attachment to rafters or truss; which are 1 ½” wide.
Are you thinking you would not be able to find these rafters centers as accurately as the “Pro’s”?
Well I must tell you, the “Pro’s” don’t use accuracy, they use “Sounding” because sounding is fast; and fast makes money on an installation.
The accuracy of Sounding is not easily verifiable and it often requires “test holes” and the keen ear of a seasoned installer who listens for a hollow to solid sounding response, while striking the roof with a hammer or mallet to indicate the relative position of a rafter.
Does this sound accurate enough for you? May be so, after all, how accurate do anchors in rafters have to be?
Well the National Design Specifications (NDS)-for wood construction, which are adopted in all model building codes in the U.S., requires an accuracy of “3/16ths of an inch” left or right of true center for a ¼” lag bolt before loss of pull out strength occurs, that’s about the thickness of three nickels.
So if your installer can consistently “Sound out” your rafter centers to within “3/16ths of an inch”, you will have no worries. Personally, I think that’s a lot to ask of a pair of ears.
So I developed “Tru-Center Rafter Clips”, and based its accuracy on geometry, specifically the geometry of your roof and the mathematical principal of translation.
So if accuracy is more important to you than speed, then check out “Tru-Center Rafter Clips”. But if speed is more important to you than accuracy, then keep your installer he has you covered on that.
Did you know a self-installed system can cost half of a professional installer’s price?
Have you seen all of the “Do - it – Yourself” websites and resources that provide “Free” design services from start to finish, and sometimes even free delivery?
The “Do – it – yourself” solar community is growing at an amazing rate and more and more on-line resources are becoming available each day - for Free! All that’s left is the actual install itself.
The proper installation of a solar system on a shingle/composition roof requires anchoring, mounting or racking systems to the underlying rafters. The most common anchoring systems use lag bolts and pull out strength calculations based on center attachment to rafters or truss; which are 1 ½” wide.
Are you thinking you would not be able to find these rafters centers as accurately as the “Pro’s”?
Well I must tell you, the “Pro’s” don’t use accuracy, they use “Sounding” because sounding is fast; and fast makes money on an installation.
The accuracy of Sounding is not easily verifiable and it often requires “test holes” and the keen ear of a seasoned installer who listens for a hollow to solid sounding response, while striking the roof with a hammer or mallet to indicate the relative position of a rafter.
Does this sound accurate enough for you? May be so, after all, how accurate do anchors in rafters have to be?
Well the National Design Specifications (NDS)-for wood construction, which are adopted in all model building codes in the U.S., requires an accuracy of “3/16ths of an inch” left or right of true center for a ¼” lag bolt before loss of pull out strength occurs, that’s about the thickness of three nickels.
So if your installer can consistently “Sound out” your rafter centers to within “3/16ths of an inch”, you will have no worries. Personally, I think that’s a lot to ask of a pair of ears.
So I developed “Tru-Center Rafter Clips”, and based its accuracy on geometry, specifically the geometry of your roof and the mathematical principal of translation.
So if accuracy is more important to you than speed, then check out “Tru-Center Rafter Clips”. But if speed is more important to you than accuracy, then keep your installer he has you covered on that.
Tru-Center Rafter Clips
"Mathematically Accurate Locating of Underlying Rafters on Shingle/Composition Roofs"
No test holes, No hammers, No False positives, No measuring of centers, No guessing based on the ends of Rafters, No lifting of Shingles.
"Maximum Pull out strength, Minimum Roof Penetrations, Greater Consumer confidence".
"Mathematically Accurate Locating of Underlying Rafters on Shingle/Composition Roofs"
No test holes, No hammers, No False positives, No measuring of centers, No guessing based on the ends of Rafters, No lifting of Shingles.
"Maximum Pull out strength, Minimum Roof Penetrations, Greater Consumer confidence".
Product description:
Tru-Center Rafter Clips are hand formed from CNC precision manufactured 20ga galvanized steel blanks a 6 piece clip set contains; 6 - Rafter Clips, 6 - specialty fasteners, 1 - 3/8" nylon spacer and 1- 6 inch 7/32 HSS 135 degree split point aircraft extension drill bit.
8 page Usage and Application Guide included.
Tru-Center Rafter Clips are hand formed from CNC precision manufactured 20ga galvanized steel blanks a 6 piece clip set contains; 6 - Rafter Clips, 6 - specialty fasteners, 1 - 3/8" nylon spacer and 1- 6 inch 7/32 HSS 135 degree split point aircraft extension drill bit.
8 page Usage and Application Guide included.