Rmax, A Business Unit of the Sika Corporation

Building Insulation

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2075 Midway Rd.
Lewisville, TX 75056
Toll Free: 800-527-0890
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Thermasheath®-SI is a composite product made up of energy-efficient insulation and a structural component and is designed to work seamlessly with non-structural Rmax Thermasheath®-3. The insulation component is a closed-cell polyiso foam bonded to reflective, reinforced aluminum facers. The structural component is a board made up of pressure laminated plies of cellulosic fibers specially treated with a water-resistant adhesive.

Thermasheath®-SI is suitable for use in residential wood stud construction. Furthermore, with 1/2" interior gypsum, it is designed to be a one-to-one substitute for wood sheathing in shear wall resistance.
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COMPANY OVERVIEW
ALL PRODUCTS

Below Grade & Foundation  

All building foundations come in contact with the ground. Wherever a building is located, water, temperature, air and soil on the foundation can impact the performance and integrity of the total structure. Continuous polyiso rigid foam insulation is an e­ffective way to reduce foundation energy loss and protect against moisture problems. Rmax® Below Grade insulation and protection board delivers a high R-value per inch, excellent moisture resistance and superior foundation protection - all in one solution for below-grade exterior walls


RMAX® Below Grade Resources

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Commercial Wall Insulation  

This superior insulation product has glass fiber reinforced aluminum foil facers. The exposed side has a heavy 12mil aluminum reflective surface and is designed to provide an attractive interior finish without the need for a thermal barrier - up to 4.5" on walls or 12" on ceilings.



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Rmax ECOMAXci® FR Air Barrier has glass fiber reinforced aluminum foil facers on both sides - offering enhanced durability, dimensional stability and fire performance. ECOMAXci® FR Air Barrier allows for optimum efficiency through multiple design options, ease of construction, a better building envelope and reduced energy usage.


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Rmax ECOMAXci® Ply is a composite product of polyiso insulation with inorganic, polymer coated glass fiber mat facers bonded to 5/8" or 3/4" fire retardant treated plywood (FRTP). This insulation has been tested for multiple NFPA 285 assemblies and is approved for use in exterior walls of buildings of any height.



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Rmax ECOMAXci® FR Ply is a Class A energy-efficient thermal insulation board composed of a closed-cell polyisocyanurate (polyiso) foam core with glass fiber reinforced aluminum facers on both sides bonded to 5/8" or 3/4" fire retardant treated plywood.


ECOMAXci® FR Ply has been tested per NFPA 285 and successfully passed. The NFPA 285 listing/approval is dependent on all components of the assembly. Third party evaluations and listings should also be consulted for specific instructions.



Rated 5 based on 1 product reviews
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Rmax ECOMAXci® Ply is a composite product of polyiso insulation with inorganic, polymer coated glass fiber mat facers bonded to 5/8" or 3/4" fire retardant treated plywood (FRTP). This insulation has been tested for multiple NFPA 285 assemblies and is approved for use in exterior walls of buildings of any height.

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Just like TSX-8500, this product is designed for use without a thermal barrier (up to 4.5" on walls or 12" on ceilings) to provide an attractive interior finish. The difference is that the exposed side of TSX-8510 has a heavy 12mil white aluminum surface.
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This lightweight thermal insulation board has reinforced aluminum foil facers. Thermasheath® is suitable for use in cavity walls, masonry walls, vaulted ceilings and some limited roofing applications, as well as many other building envelope continuous insulation applications. It is also an integral piece to maintaining the continuous insulation solution when Thermasheath®-SI is used as intermittent bracing.

Rated 5 based on 1 product reviews
SPECS SPECWIZARDS CATALOGS VIDEOS LEED

Durasheath® offers energy performance and superior durability with its non-metallic, inorganic polymer coated glass fiber mat facers. It is intended for use in exterior walls with stucco veneer, concrete sandwich panels and many other building envelope applications, including those where an impermeable foil faced product is not desired.

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SPECS SPECWIZARDS CATALOGS VIDEOS LEED
The EVOMAXci™ System utilizes our ECOMAXci™ continuous insulation as it offers enhanced R-values and a barrier to any infiltration. ECOMAXci' has glass fiber reinforced aluminum foil facers on both sides, which provides the system with superior durability, dimensional stability and fire performance.
Rated 5 based on 1 product reviews
CAD SPECS SPECWIZARDS CATALOGS VIDEOS

Rmax ECOMAXci® FR Ply is a Class A energy-efficient thermal insulation board composed of a closed-cell polyisocyanurate (polyiso) foam core with glass fiber reinforced aluminum facers on both sides bonded to 5/8" or 3/4" fire retardant treated plywood.

ECOMAXci® FR Ply has been tested per NFPA 285 and successfully passed. The NFPA 285 listing/approval is dependent on all components of the assembly. Third party evaluations and listings should also be consulted for specific instructions.



Rated 5 based on 1 product reviews
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Residential Wall Insulation  

This lightweight thermal insulation board has reinforced aluminum foil facers. Thermasheath® is suitable for use in cavity walls, masonry walls, vaulted ceilings and some limited roofing applications, as well as many other building envelope continuous insulation applications. It is also an integral piece to maintaining the continuous insulation solution when Thermasheath®-SI is used as intermittent bracing.

Rated 5 based on 1 product reviews
SPECS SPECWIZARDS CATALOGS VIDEOS
Thermasheath®-SI is a composite product made up of energy-efficient insulation and a structural component and is designed to work seamlessly with non-structural Rmax Thermasheath®-3. The insulation component is a closed-cell polyiso foam bonded to reflective, reinforced aluminum facers. The structural component is a board made up of pressure laminated plies of cellulosic fibers specially treated with a water-resistant adhesive.

Thermasheath®-SI is suitable for use in residential wood stud construction. Furthermore, with 1/2" interior gypsum, it is designed to be a one-to-one substitute for wood sheathing in shear wall resistance.
Rated 5 based on 1 product reviews
SPECS SPECWIZARDS CATALOGS VIDEOS

Durasheath® offers energy performance and superior durability with its non-metallic, inorganic polymer coated glass fiber mat facers. It is intended for use in exterior walls with stucco veneer, concrete sandwich panels and many other building envelope applications, including those where an impermeable foil faced product is not desired.


Rated 5 based on 1 product reviews
SPECS SPECWIZARDS CATALOGS VIDEOS
This superior thermal insulation board is a composite product manufactured with Rmax Thermasheath®-3 or Rmax Durasheath®-3 as the insulation layer bonded to a nailing surface. The standard nailing surface for ThermaBase-CI is 7/16" OSB (APA rated). Alternate nailing surfaces, such as 5/8" or 3/4" OSB or CDX plywood, are available upon request.

ThermaBase-CI™ is engineered to allow for normal expansion of the wood without gaping the insulation layer.
Rated 5 based on 1 product reviews
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Blogs / Press Releases  

April 24, 2020

Dear Valued Customer: The health and safety of our employees, customers, and of their families are of the upmost importance to Sika. Since the development of COVID-19 in the United States, Sika Corporation has taken several measures for the continued good well-being and that our business remains operational to supply and service our customers in these unprecedented times. ..click here for more

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