3300 sq. foot 2 story addition 6" walls 30/27 ft. high with 8" mono pitched roof 33 ft. long , some with 3 ft. cantilever. Built in 160 mph wind zone and to be used for high school locker room with equipment storage on second floor........................................................................................

Posted By cmkavala on 05 Sep 2013 04:26 PM
3300 sq. foot 2 story addition 6" walls 30/27 ft. high with 8" mono pitched roof 33 ft. long , some with 3 ft. cantilever. Built in 160 mph wind zone and to be used for high school locker room with equipment storage on second floor........................................................................................

What a difference one day makes, set the last panel today @ 2:30 PM

As a cost savings measure the roof panel joints will be sealed with "Power Bond" TPO tape and used as the permanent roof, GC to clad walls with conventional wire lath and stucco to match existing buildings

Wow, those panels are 33 feet long?

I thought the max overhang/cantilever was 24" on a SIP roof? You mentioned they went 36".

Posted By Lbear on 06 Sep 2013 06:59 PM
Wow, those panels are 33 feet long?

I thought the max overhang/cantilever was 24" on a SIP roof? You mentioned they went 36".

4 ft. on eaves and 22" on rake, those long panels with the 3 ft. cantilever are 37ft. pitch is 1/12

What was the screw attachment schedule? 6" oc or greater?

Do they tape the seams on the wall prior to finishing it off with stucco?

Being that no additional roofing material will be utilized. Will the Power Bond tape make the roof waterproof? How about the penetrations made in the roof with the SIP attachment screws? Will those be sealed?

Posted By Lbear on 07 Sep 2013 12:15 AM
What was the screw attachment schedule? 6" oc or greater?

Do they tape the seams on the wall prior to finishing it off with stucco?

Being that no additional roofing material will be utilized. Will the Power Bond tape make the roof waterproof? How about the penetrations made in the roof with the SIP attachment screws? Will those be sealed?

6" spacing on roof screws
the walls do not get taped
yes the tape will make the roof waterproof
the screws have an 1-1/2" neoprene backed washer and the head gets a sealant

Posted By cmkavala on 07 Sep 2013 05:50 AM

6" spacing on roof screws
the walls do not get taped
yes the tape will make the roof waterproof
the screws have an 1-1/2" neoprene backed washer and the head gets a sealant

So they run some sealant (I assume polyurethane caulk) onto the screw head between the neoprene washer?

Floor system done with JoistRite System rim joist - to wall attachment.................

Posted By cmkavala on 11 Sep 2013 05:24 PM

Floor system done with JoistRite System  rim joist - to wall attachment.................

How do they anchor into the SIP wall? Is there a backing plate on the other side?

Posted By Lbear on 12 Sep 2013 02:04 AM

Posted By cmkavala on 11 Sep 2013 05:24 PM

Floor system done with JoistRite System  rim joist - to wall attachment.................

How do they anchor into the SIP wall? Is there a backing plate on the other side?

Lbear,
in that particular photo the span is short and the rim joist track is simply stich screwed to the interior skin
on the other end there will be thru screws from the outside to provide additional support, beacuse the addition is on a scool the floor load is 125# sq. ft.

Versaroc floor sheathing over 12 ga. joists



12" SIP used for connecting foot bridge from existing masonry building to new SIP addition - spanning 12 ft.

Posted By cmkavala on 13 Sep 2013 08:45 PM


12" SIP used for connecting foot bridge from existing masonry building to new SIP addition - spanning 12 ft.

Is the 12" SIP vs a 6" SIP, mainly for strength?

Wouldn't a Type2 EPS provide more strength vs TYPE1 EPS?

Being that this is a commercial property, will they be installing a fire sprinkler system?

Posted By Lbear on 13 Sep 2013 11:58 PM

Posted By cmkavala on 13 Sep 2013 08:45 PM


12" SIP used for connecting foot bridge from existing masonry building to new SIP addition - spanning 12 ft.

Is the 12" SIP vs a 6" SIP, mainly for strength?

Wouldn't a Type2 EPS provide more strength vs TYPE1 EPS?

Lbear,
yes for strength, it is a commercial load of 125# per sq. ft., 6" would be fine in a residential application, but not for this situation

No TypeII (1.5# density) is not the ultimate strength EPS core and neither is 2# density, the testing has proven that type VIII is the best ,
while 2# density seams stiffer it will actually shear quicker from the skin in load tests because the EPS bead surface is smoother and does not allow for good penetration of the adhesive

Posted By Lbear on 14 Sep 2013 12:25 AM
Being that this is a commercial property, will they be installing a fire sprinkler system?

Lbear,
This is a common misconception, they are installing a fire sprinkler, however not because it is commercial,
commercial properties in Florida are only required to be sprinklered if they are over 20,000 sq. ft.
since this is an addition to a much larger building the sprinkler system will be extended to it.
if it was not attached it would not be sprinklered,
most of the commercial buildings we do are not sprinklered

Posted By cmkavala on 14 Sep 2013 06:33 AM

 

No TypeII (1.5# density) is not the ultimate strength EPS core and neither is 2# density, the testing has proven that type VIII is the best ,
while 2# density seams stiffer it will actually shear quicker from the skin in load tests because the EPS bead surface is smoother and does not allow for good penetration of the adhesive

Interesting, I didn't know that Type2 would shear quicker from the skin due to the smoothness of the EPS. Do they offer Type8 for SIPs?

So does anyone ever get Type2?

Posted By Lbear on 14 Sep 2013 02:38 PM

Posted By cmkavala on 14 Sep 2013 06:33 AM

 

No TypeII (1.5# density) is not the ultimate strength EPS core and neither is 2# density, the testing has proven that type VIII is the best ,
while 2# density seams stiffer it will actually shear quicker from the skin in load tests because the EPS bead surface is smoother and does not allow for good penetration of the adhesive

Interesting, I didn't know that Type2 would shear quicker from the skin due to the smoothness of the EPS. Do they offer Type8 for SIPs?

So does anyone ever get Type2?

Lbear,
if you mean 2# density it is not type 2 , it is Type IX and yes some people order it.
If you mean Type II (1.5# density ) it is ordered as well
, most any density is available if you want to pay for it

Posted By cmkavala on 14 Sep 2013 03:53 PM

Lbear,
if you mean 2# density it is not type 2 , it is Type IX and yes some people order it.
If you mean Type II (1.5# density ) it is ordered as well
, most any density is available if you want to pay for it

Sorry for the confusion. Yes, I meant the 2# density or Type IX.

So what does the "standard" SIP EPS come with? Is it 1# or 1.5# density?

You mentioned Type VIII, what # density is that?


1# EPS - lb/in²
Shear Strength = 18-22
Shear Modulus = 280-320

2# EPS - lb/in²
Shear Strength = 33-37
Shear Modulus = 600-640

interesting. would you mind giving a cost per sq of construction for this? Not price per panel, but rather construction, if you know. Maybe you do not know the other trades. 80% of our projects are schools, always brick and block up here. Mostly around $150-160 sqft construction costs. We do a lot of smaller additions too so something like this may make sense, especially in zone 6.

Also the entire sprinkling thing is non-sense Lbear. There are so many ways to avoid sprinkling a building, its all in the code. Obviously things need to be done to avoid a sprinkler (such as in a school, the biggest thing is 1 hr rated corridors and 12,000 sqft building separations according to IBC)

Posted By lzerarc on 16 Sep 2013 12:36 PM

Also the entire sprinkling thing is non-sense Lbear. There are so many ways to avoid sprinkling a building, its all in the code. Obviously things need to be done to avoid a sprinkler (such as in a school, the biggest thing is 1 hr rated corridors and 12,000 sqft building separations according to IBC)

Out here in AZ the code mandates that even residential homes above a certain square footage require sprinkler systems. When it comes to commercial properties, it's always mandatory to have sprinkler systems. I am not familiar with FL or codes out east.

Some areas are even more strict. Out in Anthem, AZ all residential homes (even single story under 2,000 sqft) are required to have a fire sprinkler system. It's the local code and it overrides IBC.