Roof support system ST-ROOF
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Alnor Knowledge Base ST-ROF system – roof feet and supports 
 of highest quality Comprehensive solutions, unified product selection and full supplies are highly desired properties for both the contractors and trading companies. Choosing such solutions serve to cut down on costs, improve flexibility and often cause a decrease of the final purchasing costs. 
 
 For this reason, we would like to present the ST-ROF system - it includes top quality feet and supports for ventilation, air conditioning and cooling system components. 
 
 On-roof supports and feet have the following features:
 1. they ensure better weight distribution of 
 roof mounted components;
 2. it is possible to make any kind of framework, of any height
 and width, when coupled with accessories by Strut as well
 as the LDB STRUT support profiles;
 Illustration no. 1
 3. roof structure remains intact after installation;
 ST-ROF system 4. easy access to roof surface without having to 
 remove the installed items
 5. highly aesthetic and durable workmanship for each installation.
 
 They allow for easy installation of various types of components:
 
 1. ventilating units,
 2. chillers,
 3. heat pumps and solar panels,
 4. platforms and bridges
 5. air-conditioners and refrigerating units,
 6. ventilation and AC ducts or piping,
 7. solar panels
 
 
 ST-ROF roof supports are available in several types 
 and sizes:
 
 ST-ROF-330 and ST-ROF-AW-330
 
 These feet are made of polypropylene reinforced 
 with fiberglass (30%) with 30 x 30 cm base with a central fixture for the LDBST-41-41 profile. The construction of the sleeve joint allows for secure fastening of the vertical strucIllustration no. 2
 ture to support the assembly frame - which can be horizontal Roof foot


Alnor Knowledge Base Illustration no. 3
 Roof foot
 ST-ROF-AW-330 
 For flat 0o roofs, the entire foot rests on the roof’s surface, thus ensuring a very stable support. For sloped roofs, up to 10o, it is possible to screw in stems to adjust the slope of the foot. 
 The foot can be angled in any direction thanks to two provided levels. Maximum load for each foot is 2 200 N 
 
 The adjusting stems for each ST-ROF-AW-330 foot are made of 
 high quality rubber which acts as a vibration damper.
 
 
 
 ST-ROF-AWL
 
 Vibration dampening on-roof feet ST-ROF-AWL are available in 250, 450, 600 and...

Alnor Knowledge Base lation ducts or other components, we are able to cut the profiles down to any size. 
 
 The lateral rail can be connected to the horizontal one by means of the LDB-BE-41 coupling, which ensures good aesthetics and a sturdy coupling. In order to fasten the LDB-BE-41 to the rail, SRS steel screws are required along with PDS washers and NKS nuts. It is possible to use the SNP or SNL sliding bolts - instead of the standard nut and washer. 
 
 LDB-U coupling is used when building flat frames to support bigger items above the roof surface. They may also be used to build...