contacting tests

Wainscot standard top height

$48\text{ inches}$ above the floor (unless otherwise specified).

Safety glass threshold for cabinet sliding doors

Required when doors are located within $30\text{ inches}$ of the floor.

Minimum sliding glass door thickness in case housing

$\frac{3}{8}\text{ inch}$ thick plate glass.

WIC minimum drawer front thickness

$\frac{3}{4}\text{ inch}$ thick for most standard drawer fronts.

WIC minimum thickness for drawer sides, sub-fronts, and backs

$\frac{7}{16}\text{ inch}$ for Economy Grade; $\frac{1}{2}\text{ inch}$ for Custom and Premium Grade.

WIC minimum drawer bottom thickness by grade

$\frac{1}{8}\text{ inch}$ for Economy Grade; $\frac{3}{8}\text{ inch}$ for Custom and Premium Grade.

WIC drawer bottom reinforcing strip rule

Required for Economy Grade $\frac{3}{8}\text{ inch}$ bottoms when drawer width exceeds $18\text{ inches}$; not required if material is $\frac{3}{4}\text{ inch}$ or thicker.

WIC high-pressure laminate thickness standards

At least $0.028\text{ inch}$ for wall paneling (vertical-surface-type); at least $0.050\text{ inch}$ for tops, splashes, and shelves (general-purpose-type).

Mod-eez system

A modular casework joining system using metal clips and shoulder screws allowed by WIC standards.

WIC modular door hinge count requirements

Requires $2$ hinges for doors up to $48\text{ inches}$ high, and $4$ hinges for doors over $84\text{ inches}$ high.

Sandpaper grit for finish sanding

$180\text{ grit}$ (equivalent to $5/0$ paper).

Sandpaper grit used after the first coat of varnish

$240\text{ grit}$.

Open coat sandpaper

Sandpaper with $50\% \text{ to } 70\%$ of its surface covered with abrasive grains; resists clogging and removes material rapidly.

Closed coat sandpaper

Sandpaper with complete abrasive grain coverage across the surface, making it more prone to clogging.

J-weight sandpaper backing

Light and flexible cloth backing suited for contoured or curved surfaces.

X-weight sandpaper backing

Heavy, strong cloth backing designed for flat surfaces.

Sandpaper paper weight grading (Grade A vs. Grade E)

Grade A is the lightest weight paper backing, while Grade E is the heaviest and strongest.

WIC abbreviation definition

Woodwork Institute of California.

AWI abbreviation definition

Architectural Woodworking Institute.

NWMA abbreviation definition

National Woodwork Manufacturing Association.

Type I vs. Type II adhesive weather resistance

Type I produces a fully waterproof bond for full weather exposure; Type II produces a water-resistant bond for occasional wetting and drying.

Primary cause of a sunken joint in glued wood

Machining or surfacing the joint too soon after gluing, before moisture along the glue line has dissipated.

Animal hide glue

An adhesive applied warm that develops rapid tack, allowing corner blocks to be placed without clamping.

Recommended clamping pressure for straight-edge glue joints

$100\text{ to }150\text{ psi}$.

Recommended clamping pressure for high-pressure laminates on table tops

$25\text{ psi}$ or less to prevent core telegraphing through the laminate.

WIC room door installation clearances

$\frac{1}{16}\text{ inch}$ on hinge side, $\frac{1}{8}\text{ inch}$ on lock side, $\frac{1}{8}\text{ inch}$ at top, and a maximum of $\frac{7}{8}\text{ inch}$ at bottom.

WIC exterior door hinge requirements

Requires $3$ hinges for doors over $5\text{ feet}$ in height, and $4$ hinges for doors over $7\text{ feet}$ in height.

Minimum interior walk-through door thickness

$1\frac{3}{8}\text{ inches}$.

WIC minimum bottom rail widths for interior vs. exterior doors

Minimum $9\text{ inches}$ for interior doors; minimum $11\frac{3}{4}\text{ inches}$ for exterior doors.

Veneered flush door cutout restrictions

Cutouts must be at least $5\text{ inches}$ from any edge or other cutout, occupy no more than $40\%$ of door area, and span no more than $\frac{1}{2}$ of door height.

Jobsite wood door storage requirements

Store flat on a level surface at least $4\text{ inches}$ off the floor in a dry, ventilated area; sides should not be wrapped airtight so wood can acclimate to ambient humidity.

Meaning of suffix "M" in WIC Design Numbers

Modification to standard specifications (e.g., specifying 3 shelves instead of 5).

WIC modular casework design dimension tolerance

$\pm \frac{3}{4}\text{ inch}$ variation allowed from standard dimensions.

Primary function of a hand jointer (facer)

Cuts one face of stock flat.

Average kerf width for standard circular saw blades

$\frac{1}{8}\text{ inch}$.

Slip matching in wood veneer

Joining veneer leaves side-by-side with all identical faces facing up, producing a repeating grain pattern.

Book matching in wood veneer

Turning alternating veneer leaves over like pages in a book to create a mirrored grain effect.

Standard depth of a kitchen countertop

$25\text{ inches}$ (up to $25\frac{1}{2}\text{ inches}$).

Standard plastic laminate thickness for countertops

$\frac{1}{16}\text{ inch}$ ($0.062\text{ inch}$).

Maximum strip width/thickness for solid maple countertops

$2\frac{1}{2}\text{ inches}$.