For re roofing over tectum keep in mind that tectum can soften as it ages.
Tectum roof deck weight.
Roof deck wall ceiling panels when noise control durability matter.
Field tests have verified the consistent performance of tectum roof deck systems.
For that reason low weight metal roof systems can be a very good option.
An nrc up to 1 00 on specific systems.
Pfs 1 96 108 120 132 144 comp.
Trufast screws 6 o c.
These values are in reference to mechanically attached insulation cover.
Tectum 1 thick 2 0psf insulrock 1 thick 2 7psf poured gypsum 1 thick 6 5psf vermiculate concrete 1 thick 2 6psf.
Tectum e tectum e n composite roof deck solution with excellent sound absorption r values up to 43 with eps or gps insulation options.
The information listed in the chart below is for use with the referenced roof deck fastener type minimum pullout values and required penetration depths based on fasteners type.
End joints must fall over supporting members.
2 r values include air films and built up roofing.
Tectum v structural acoustical roof deck design guidelines system thickness 1 wt.
Plank v 9 6 0 112 88 72 59 50 for loads greater than 200 lbs contact armstrong techline.
Additionally if hook nails were used to install the previous roof it will be impossible to remove the old roofing without destroying the tectum decking.
Proven economical roof decking solution for over 65 years miami dade noa approved 18 0619 03 tectum iiiw tectum structural acoustical roof deck 4 7 10 11 14 19 tectum i roof deck panels tectum composite roof deck panels code compliance product overview design data sustainability acoustics selection criteria.
East lawrence recreation center lawrence ks tectum i roof deck key selection attributes sound absorption nrc up to 0 80 r value up to 6 spans up to 6 feet 50 pound design load standard widths diaphragm shear up to 542 dsn lf nailable surface low slope applications tectum i structural acoustic roof deck provides excellent sound absorption a thermal.
Tectum iii tectum iiip composite roof deck solution with good sound absorption r values up to 44 and high humidity application performance.
1 thickness and weight are nominal.
Tectum roof deck systems continue to outperform all structural acoustical roof decks including the acoustical steel deck perforated tin.
Light weight insulation concrete over steel pan or structural concrete minimum 2 thick.
Steel deck absorption values for greater that 1000 hertz consistently are lower.