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Mbrico Rooftop and Raised Floor Installation Guidelines

*The following information is the installation guidelines Mbrico recommends when installing the Mbrico Tile Rooftop or Raised Floor system. Installation guidelines are the steps Mbrico recommends to insure a successful application. Ultimately, the purchaser and the onsite installer are responsible for ensuring proper installation.

**Mbrico recommends that consumers contact a qualified installer in their area prior to placing an order to ensure all measurements, order quantities and installation are done accurately. Mbrico is a tile decking product manufacturer and tile distributor. All installations are done by a third party installer of the consumer’s choice.

Verify that your flat roof and structure have been constructed properly. Verify your project’s frame, concrete, walls, slope, grade, quality and attachment to any structure meet or exceed all local and national codes. This system is intended to require no penetration of roof membranes.

Follow the layout that was used to order your Mbrico deck surface materials if possible. Your layout will minimize the cuts and partial tile locations to less obvious areas of the surface just as you would with interior tile products. In some respects, layout of your new deck is similar to laying interior tile. You will need to plan ahead for stairways, angle areas and partial rows that require cutting tiles. Also you will plan for the fastening of your handrails if applicable or surrounding parapet walls. Nothing will be directly attached to the Mbrico surface via fastener or adhesive. The Mbrico deck should be planned and installed with greater care, as it will outlast other deck products and have no maintenance requirements other than an occasional cleaning.

You will want to set the height of your deck accordingly. The Mbrico rooftop surface adds variable height and a total weight of 10.5 pounds per square foot to your existing surface. The finished Mbrico surface is intended to be level.

Installation on raised pedestal system is used mainly on large, regular surfaces, or above previous floors, rooftops or balconies provided these show no signs of infiltration. The open gaps between the slabs allow the rainwater to drain off into the cavity created under the panels. Thus a flat, even floor is obtained, while the underlying waterproof layer will have the gradient required to drain off the rainwater. The load-bearing structure is made of polypropylene feet with a large base and rounded edges, to prevent damage to the insulating layer. This solution allows for passage of any underlying elements and offers a practical passage for pipes and wiring.

Verify roof is waterproof and clean for installation.
Verify height clearance is at least 2-5/8” or higher (contact salesperson for lower clearance alternatives).
Verify slope of roof deck and all adjoining floors & doorways to ensure correct pedestals were ordered to reach desired finish floor height. Refer to provided Mbrico project shop drawings for pedestal key and color-coded pedestal layout map.
Place first row of pedestals, per provided project layout, at your designated starting edge. Refer to provided Mbrico shop drawing suggested control/starting point for your project. Place pedestals 30” on center.
Adjust pedestal height to meet desired finish floor height (remember to account for the 1-5/8” rack and tile thickness).
Place your Mbrico Offset L-Track into click-adapter on top of pedestal. Press down until track “clicks” into pedestal click adapter.
To join two pieces of tracks together, attach an 8” aluminum sleeve connector with provided stainless screws. Pre-drill and place one screw on each side of 8” sleeve connector. The sleeve connector is used to connect two pieces of 12’ tracks end to end as needed. Note: a pedestal needs to be place at this connection.
Place the next row of pedestals per your layout at designated location. Offset row of pedestals 50% from previous row so each row of pedestals are staggered. This eliminates any possible deflection in the system.
Adjust pedestal height to reach desired finish floor elevation. Each pedestal is threaded for adjustment up or down.
Place Mbrico T-Track into click-adapters and press down to “click” tracks into the top of each pedestal. Refer to Step 7 for sleeve connectors attachment as needed.
Slide your Mbrico T-Track and row of pedestals into position. The gap between the 2 prepared tracks should be ½” wider that the width of your ordered tile. For example, if using 24x24” tile, the tracks will be 24.5” apart for this step until fully secured.
Using a 1/8” drill bit, pre-drill track and crossbrace before attaching with provided stainless screws. Repeat attaching crossbrace under the track every 6 foot on center. One stainless screw will be used at each intersection of 12’ track and 12’ cross brace channel. Cross brace channels are installed under the tracks running perpendicular and maintain perfect spacing and gaps in tiles over time.
Place a dab of the provided noise dampening adhesive onto the tracks where all four corners of the tile will sit on each track. The adhesive dab should be approximately the size of a quarter.
Place a row of Mbrico tiles at the designated location in between both rows of track and pedestals.
Using a rubber mallet or dead blow hammer, slide the Mbrico tile, track, and pedestals towards your previous track until all tile grooves are fully seated in the track and your two tracks are snug and parallel. Verifying each tile is snug and tongue and groove is fully engaged allows you to easily maintain perfect spacing as you continue.
Verify with a laser or level that all tiles are sitting level and free from movement before moving to next row.
Attach 12’ crossbrace channel to T-Track. There will be only one screw per intersection of track and crossbrace. Remember to pre-drill track and crossbrace for easier fastening.
Repeat steps 8 through 17 until you reach the final row of tile.
Place final row of pedestals in position and verify all heights and level. Allow for 1 5/8” track and tile thickness for appropriate final system finish floor elevation.
At final row of tile, cut final offset L-Track ½” shorter than the length of 2-3 tiles and place track on top of final row of pedestals. Press down until the track “clicks” into place in the pedestal click adapters.
Using 1 provided screw, pre-drill and attach your final row of tracks to cross brace channel underneath the track.
Place dabs of provided Mbrico adhesive onto the track where all four corners of tiles will sit on tracks.
Slide tile from track end into designated location. Repeat previous 3 steps to complete this segment of tracks.
Repeat steps 20-23 until you reach the final tile.
Cut the bottom lip of the last tile with a porcelain blade. Remove the bottom lip of a grooved edge of a tile.
After applying 4 adhesive dabs on the tracks, slide the final tiles grooved edge into your T-track and gently place down cut edge onto offset L-Track.
For projects with wind uplift requirements, install optional ledger/base around entire Mbrico system perimeter. Ledger/base supplied by others. Materials example: Aluminum, Composite, Masonry. Contact your Mbrico salesperson for details.