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Roof Systems

MR-24® Roof System

The MR-24® Roof System is like a monolithic steel membrane, covering your entire building. The panels are joined together with a Pittsburgh 360 degree double-lock standing seam and fastened to the purlins with a unique clip formed into the seam. Independent surveys show that MR-24® Roof System is the most specified standing seam roof in the market, with more than two billion square feet installed since its introduction in 1969.

Monolithic Roofing System
MR-24® Roof System acts as a monolithic steel surface covering your entire building and providing superior protection

Double-lock seam Joint
Creates an exclusive Pittsburgh 360-degree double-lock seam, with the final 180 degrees field rolled, for superior performance, protection and weather tightness.

Contributes to Energy efficiency
MR-24® Roof System accommodates additional Roof insulation thicknesses to enhance energy efficiency. Available in several cool colors with high SRI values, for added energy savings.
Roof movement for varying temperatures
Specifically designed with moveable clips to accommodate roof movement under changing temperatures

Strength and weather tightness at end laps
Most manufacturers locate panel splices at exactly the same position across the entire roof. This creates a condition where four panel corners must be joined at the same location, making it almost impossible to seal and keep weather tight

Perfect alignment and installation
Factory-punched panels and structural members assure proper alignment and accurate installation

BR-II™ 900 Roof System

The BR-II™ 900 Roof System combines great economy with proven BUTLER® building performance. The system is easy to install & maintain and assures weather-tight performance. It offers features that make it the strongest fastened roof system in the industry. Each BR-II™ 900 roof panel features a full 38.1 mm deep corrugation for extra strength. The panels are 900 mm in width and up to 10 meters in length so the roof erection occurs quickly even in case of large buildings.

Deep corrugations for extra strength
BR-II™ 900 roof panel offers the deepest and a wide corrugation coupled with a high tensile steel base of minimum 550 MPa yield strength providing additional strength in comparison to any other industrial profile for both wind uplift and roof traffic

Enhanced weather tightness
Anti-capillary groove for leak proof performance, which can also be used for sealant placement to ensure weather tightness

Perfect alignment and installation
BR-II™ 900 roof system is also available in factory punched option to assure perfect alignment and accurate installation
Additional support against roof traffic
To provide additional support against roof traffic, BR-II™ 900 roof panels incorporate a “return leg” on all side lap connections. Roof panels without return leg often separate under fastener installation or roof traffic.

Improved Thermal Performance
BR-II™ 900 profile comes with THERMATECH™ Solar Reflectance Technology that lowers surface temperature by absorbing lesser heat from the sun. It keeps both roofs & buildings cooler at reduced energy costs.

ECOBUILD® Advantage

BUTLER® Value Proposition

BUTLER® Difference

BUTLER® Projects

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