Design Considerations

Countertop Design Considerations

Joinery Layout (Seam Placement)

The design of this joinery (seams) of these countertops is very important to the general look upon completion. Details about drawings RC-001, -002 and -003 reveal an assortment of joinery schemes. Ensure to know where seams are going to be and the way that seams may influence the general look of this rock. This is particularly true when installing a number of those higher-end varieties with noticeable veins and motion.

Spans and Cantilevers

In designs where a part of the counter is tapping between supports, the duration of this length shall be restricted to 2′- 0″ (600 mm) to get 3⁄4″ (20 mm) rock thicknesses and 3′- 0″ (900 mm) to get 11⁄4″ (30 mm) rock thicknesses. In designs where the countertop is either cantilevered or overhanging the supports, the cantilever will likely be restricted to 6″ (150 mm) to get 3⁄4″ (20 mm) thick countertops and 10″ (250 mm) to get 11⁄4″ (30 mm) countertops, however in no instance may the cantilevered part represent greater than 1/3 of the diameter of the countertop. Cantilevered countertops exceeding these dimensions will need corbelled supports under the rock. The exposed bottom of cantilevered parts of countertops will be sawn or otherwise unfinished surfaces. Notice: Fragile stones might call for corbelled supports for cantilevers which are significantly less than those specified.

Sink Mounts.

Sinks are provided in one of many types: Top bracket, (or even self-rimming), undermount, and “farm-home.” In the instance of these top-mounted sinks, then the burden of this sink and its contents are moved into the upper surface of the stone counter through the rim of this sink. Undermount sinks could be anchored to the bottom of the rock countertop or taken by a subtop. A subtop or auxiliary framing could be required for either layout when more delicate stones have been used, or when the sink (with contents) is too heavy. Refer to details about drawings RC-008 via RC-011 for cases of faucet mounting. Notice: cast iron sinks will constantly require the excess support mentioned above for both upper and undermount forms.

Edge profiles

Edge profiles or silhouettes; add sophistication to the final job. Edge profiles using narrow projections and sharp corners are somewhat more vulnerable to chipping than people using a bigger, curved shape. Cases of edge profiles typically employed are contained on drawing RC-016. With machines and tooling accessible to contemporary manufacturing stores, many customized profiles could be created which aren’t shown here. Consult your fabricator in case you’ve something particular in mind. Your choice of a border detail will probably influence the price of your countertops more than every other choice you make.

Corner Embellishments

Corners of stone countertops could be trimmed square, cut into a radius, or projected.


Partial backsplashes usually vary from 4″ to 8″ high. Full-height backsplashes pay the whole area between the counter and the top cabinets. Backsplashes are typically manufactured from exactly the exact same depth as the counter material. This enables the Fabricator better return in the slabs, as the narrow strips will help in the layout efficacy, and additionally, it gives a better color match. Mixing substances of two distinct thicknesses require using rock slabs sawn from two distinct cubes, and color variant can be pronounced. But some Fabricators possess the machines to airplane down backsplashes with the identical slab or block of substance to find a thinner dab and match the remaining counters. On rocks with apparent veining, the strand of this dab should fit the countertop under. Backsplashes aren’t supposed to be a part of this occupation and have to be given if you want them.

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