Classic Double Frame Wall Molding: Nested Frame Spacing

Classic double frame wall molding places one outline inside another. The inner frame needs its own dimensions: its inset includes both the outer profile face and the clear space between profiles.

Worked example: 180 in / 4572 mm wall width, 108 in / 2743.2 mm ceiling. 16 frames; 199 linear ft / 60.655 m net listed trim.

Calculated planning drawing, not a customer-project photograph or a promise that a standard kit has these dimensions. Replace all assumed dimensions with your measured wall.

Decisions before choosing this layout

Specific decisions for Classic Double Frame Wall Molding
Decision	What to compare	Measurement to record
Decision 1	Check that small lower panels still have a useful open center after both outlines are added.	Provide the two profile face widths and the intended clear space between them.
Decision 2	Choose one measured clear gap between nested frames and carry it through every corner.	Mark the complete outside outline on the same measured elevation.
Decision 3	Include both inner and outer frame pieces in the material calculation.	Mark the complete outside outline on the same measured elevation.

Calculated design alternatives

Change one constraint and compare the complete plan
Option	Arrangement	Opening / width check	Height / radius check	Net trim	10% allowance
3 divisions	12 frames	43.5 in / 1104.9 mm smallest clear width	10.5 in / 266.7 mm smallest clear height	182 linear ft / 55.474 m	201 linear ft / 61.265 m
4 divisions	16 frames	29 in / 736.6 mm smallest clear width	10.5 in / 266.7 mm smallest clear height	199 linear ft / 60.655 m	219 linear ft / 66.751 m
5 divisions	20 frames	20.3 in / 515.62 mm smallest clear width	10.5 in / 266.7 mm smallest clear height	216 linear ft / 65.837 m	238 linear ft / 72.542 m

The 15 ft by 9 ft wall stays constant in this comparison. Each option has its own cut schedule; the schedule printed below belongs only to the illustrated option. Changing the reserved object width can affect side panels even when the wall size stays the same.

Cut schedule and material allowance

Components for the illustrated option
Component	Quantity	Length each / run	Measurement basis
Upper frame 1 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Upper frame 1 verticals	2	56 in / 1422.4 mm	Outside long point; 45-degree corners
Upper inner 1 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Upper inner 1 verticals	2	50 in / 1270 mm	Outside long point; 45-degree corners
Upper frame 2 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Upper frame 2 verticals	2	56 in / 1422.4 mm	Outside long point; 45-degree corners
Upper inner 2 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Upper inner 2 verticals	2	50 in / 1270 mm	Outside long point; 45-degree corners
Upper frame 3 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Upper frame 3 verticals	2	56 in / 1422.4 mm	Outside long point; 45-degree corners
Upper inner 3 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Upper inner 3 verticals	2	50 in / 1270 mm	Outside long point; 45-degree corners
Upper frame 4 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Upper frame 4 verticals	2	56 in / 1422.4 mm	Outside long point; 45-degree corners
Upper inner 4 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Upper inner 4 verticals	2	50 in / 1270 mm	Outside long point; 45-degree corners
Lower frame 1 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Lower frame 1 verticals	2	19 in / 482.6 mm	Outside long point; 45-degree corners
Lower inner 1 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Lower inner 1 verticals	2	13 in / 330.2 mm	Outside long point; 45-degree corners
Lower frame 2 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Lower frame 2 verticals	2	19 in / 482.6 mm	Outside long point; 45-degree corners
Lower inner 2 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Lower inner 2 verticals	2	13 in / 330.2 mm	Outside long point; 45-degree corners
Lower frame 3 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Lower frame 3 verticals	2	19 in / 482.6 mm	Outside long point; 45-degree corners
Lower inner 3 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Lower inner 3 verticals	2	13 in / 330.2 mm	Outside long point; 45-degree corners
Lower frame 4 horizontals	2	37.5 in / 952.5 mm	Outside long point; 45-degree corners
Lower frame 4 verticals	2	19 in / 482.6 mm	Outside long point; 45-degree corners
Lower inner 4 horizontals	2	31.5 in / 800.1 mm	Outside long point; 45-degree corners
Lower inner 4 verticals	2	13 in / 330.2 mm	Outside long point; 45-degree corners
Chair rail planning run	1	180 in / 4572 mm	Confirm joints and supplied lengths

The listed components total 199 linear ft / 60.655 m. A 10% cutting allowance, rounded up to a whole foot, gives 219 linear ft / 66.751 m. This includes only the listed components; baseboards, adhesive, paint and unlisted return pieces are separate. Continuous rails are total runs, not a promise of one supplied piece.

Set out the actual outlines

Element outside edges from the left corner and finished floor
Element	Left edge	Top above floor	Width	Height
Frame 1	6 in / 152.4 mm	100 in / 2540 mm	37.5 in / 952.5 mm	56 in / 1422.4 mm
Frame 2	9 in / 228.6 mm	97 in / 2463.8 mm	31.5 in / 800.1 mm	50 in / 1270 mm
Frame 3	49.5 in / 1257.3 mm	100 in / 2540 mm	37.5 in / 952.5 mm	56 in / 1422.4 mm
Frame 4	52.5 in / 1333.5 mm	97 in / 2463.8 mm	31.5 in / 800.1 mm	50 in / 1270 mm
Frame 5	93 in / 2362.2 mm	100 in / 2540 mm	37.5 in / 952.5 mm	56 in / 1422.4 mm
Frame 6	96 in / 2438.4 mm	97 in / 2463.8 mm	31.5 in / 800.1 mm	50 in / 1270 mm
Frame 7	136.5 in / 3467.1 mm	100 in / 2540 mm	37.5 in / 952.5 mm	56 in / 1422.4 mm
Frame 8	139.5 in / 3543.3 mm	97 in / 2463.8 mm	31.5 in / 800.1 mm	50 in / 1270 mm
Frame 9	6 in / 152.4 mm	33 in / 838.2 mm	37.5 in / 952.5 mm	19 in / 482.6 mm
Frame 10	9 in / 228.6 mm	30 in / 762 mm	31.5 in / 800.1 mm	13 in / 330.2 mm
Frame 11	49.5 in / 1257.3 mm	33 in / 838.2 mm	37.5 in / 952.5 mm	19 in / 482.6 mm
Frame 12	52.5 in / 1333.5 mm	30 in / 762 mm	31.5 in / 800.1 mm	13 in / 330.2 mm
Frame 13	93 in / 2362.2 mm	33 in / 838.2 mm	37.5 in / 952.5 mm	19 in / 482.6 mm
Frame 14	96 in / 2438.4 mm	30 in / 762 mm	31.5 in / 800.1 mm	13 in / 330.2 mm
Frame 15	136.5 in / 3467.1 mm	33 in / 838.2 mm	37.5 in / 952.5 mm	19 in / 482.6 mm
Frame 16	139.5 in / 3543.3 mm	30 in / 762 mm	31.5 in / 800.1 mm	13 in / 330.2 mm

Worked scenario: artwork and profile width

This 16 frames arrangement has 29 in / 736.6 mm smallest clear width and 10.5 in / 266.7 mm smallest clear height. Those clear openings subtract the assumed profile faces. Draw the outside artwork frame and any backplate within the opening, then compare another division count if the margins become narrow. Provide the two profile face widths and the intended clear space between them.

How much allowance changes the order quantity

Allowances for this exact component schedule
Planning allowance	Rounded total	Extra over net material
5%	209 linear ft / 63.703 m	10 linear ft / 3.048 m
10%	219 linear ft / 66.751 m	20 linear ft / 6.096 m
15%	229 linear ft / 69.799 m	30 linear ft / 9.144 m

These percentages compare planning quantities; they do not optimize cuts into stock lengths. More corners, short supplied lengths or difficult joins can change the allowance. Confirm the actual packing list before ordering.

Product images and kit choices

These images come from the linked Trim Wall Haus product listings. They show the product style; the pictured configuration is not automatically the cut schedule on this page.

Instant Nested Frame Wall Trim Molding Package Kits, 3 Upper & 3 Bottom Nested Frames | Quick Easy Installation — Image from the linked product listing. Compare its configuration with the drawing.

Nested Wall Molding Package Kits, 3 Upper & 3 Bottom Nested Frames | Easy Installation — Image from the linked product listing. Compare its configuration with the drawing.

Nested Frame Nursery Wall Molding Kit, Ready to Assemble | 3 Upper & 3 Bottom Nested Frames — Image from the linked product listing. Compare its configuration with the drawing.

Questions for this specific plan

Which gap matters between the inner and outer frames?

Measure the clear space between the molding faces. The inset from the outer outside edge also includes the outer profile width, so the inner outside size cannot be found by subtracting the clear gap alone.

What measurements are assumed for this classic double frame wall molding example?

The wall is 180 in / 4572 mm wide and 108 in / 2743.2 mm high. The drawing and outline tables show the remaining assumptions. Provide the two profile face widths and the intended clear space between them.

How much trim is listed for the illustrated 15 ft wall?

The net listed schedule is 199 linear ft / 60.655 m; with a rounded 10% allowance it is 219 linear ft / 66.751 m. The alternatives above change the geometry and may change that total.

Will a product pictured below arrive in these exact dimensions?

Use the listing to check the supplied configuration, profile and installation method. The drawing is a design example; a changed wall, object outline or frame count requires confirmation of the actual kit parts.

Continue with your wall measurements

Plan my wall Compare matching kits Send a drawing for review

Usable openings and trim-face coverage

Additional measurements calculated from this exact drawing
Calculated measurement	Result
Wall area above assumed baseboard	128.125 sq ft
Estimated area covered by trim faces	21.597 sq ft
Wall area outside trim faces	106.528 sq ft
Trim-face share of wall above baseboard	16.856%
Largest framed/grid rectangular opening	29 in / 736.6 mm × 47.5 in / 1206.5 mm
Area of that rectangular opening	9.566 sq ft
Artwork test with a 2-inch visual margin on all sides	25 in / 635 mm × 43.5 in / 1104.9 mm

Face coverage is the union of the drawn trim strips, excluding the existing 5.5-inch baseboard. Curved profiles use a centerline-length × face-width estimate. Wall area outside trim still includes areas behind reserved furniture; it is not a visible-paint estimate. The artwork test is a visual comparison, not a mounting clearance. For an arch, the rectangular opening is measured below the spring line.

Cut-stock fit with two assumed lengths

Illustrative packing with a 1/8-inch gap between cuts; confirm actual supplied lengths
Profile group	Assumed stock length	Stock pieces in this packing	Unallocated stock / limitation	Interpretation
Straight frame / board profile	96 in / 2438.4 mm	25	192 in / 4876.8 mm	Includes kerf and unusable remainder
Straight frame / board profile	120 in / 3048 mm	20	192 in / 4876.8 mm	Includes kerf and unusable remainder
Chair rail	96 in / 2438.4 mm	Not a no-splice fit	1 listed pieces/runs exceed this length	Review joints or another supplied length
Chair rail	120 in / 3048 mm	Not a no-splice fit	1 listed pieces/runs exceed this length	Review joints or another supplied length

This is a first-fit decreasing packing example, not a claim of the minimum purchase quantity. Profile groups are packed separately; do not combine different actual products merely because they have the same nominal width. End trimming, damaged ends, join positions and fabrication details are not modeled. Stock lengths here are test inputs, not a statement of what the linked kits supply.