Wallpaper Estimating Techniques

Wallpaper Estimating Introduction

Two different formulas for computing the amount of wallpaper you will need to buy to cover the walls in a room of a specified size. The worksheet helps guide you through gathering the necessary information, including number of window and door openings.

The 3rd formula helps you estimate the amount of border-strip paper you would need.

Wallpaper Estimating Worksheet #1

___ A = width (circumference) of room
(this means add up all (usually 4) wall widths)
a1 = wall 1 width
a2 = wall 2 width ..... aI I=number of walls
A = a1 + a2 ... + aI

___ B = width of wallpaper roll

___ C = height of wall

___ D = pattern repeat of wallpaper (length wise)

___ E = length of a single roll of wallpaper

___ F = Number of large openings (doors, windows,etc.)

___ G = pattern repeat on Border roll

___ H = pattern repeat of wallpaper (width wise)

___ I = Number of walls

___ J = length of 1 border roll

___ K = number of rolls of wallpaper per package

___ L = price per single roll

___ M = discount in %

___ N = number of large openings not bordered

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Wallpaper Estimating Technique #1

steps

1. A / B = # of strips needed
1a. (A + (I x H))/B = # of strips if centered
2. C + D = length of each strip
3. step1 x step2 = total length needed
4. step3 / E = approx. #rolls needed
5. F / 2 = openings deduction
6. step4 - step5 = final #rolls
7. step6 = rounded up to whole number
8. step7 / K = #packages (round up)
9. step8 x L x K = price
10. (step7 - step6) x K = slippage extra on last roll
11. (step8 - (step7 / K)) x K = #extra rolls
12. 6 sq. ft. = standard slippage allowance
13. 36 sq. ft. per single roll = standard size roll
14. step9 x ((100 - m) x .01) = discounted price
15. step12 / B = standard slippage length

If (step10 - step15) = 0
and step 11 = 0
step7 = (step7 + 1)
Return to step8

Wallpaper Estimating Technique #2

Alternative check procedure

step

16. A x C sq. ft. = total room sq. ft
17. step16 / (30 sq. ft.) = number of single rolls adjusted for slippage
18. step17 - (F/2) = final #rolls (round up)

step7 in Technique #1 should be approx. equal to step18 in Technique #2

Wallpaper Border Estimating

(A / (J + (G x I) - N )) = number of border rolls needed

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Link List

Remodeling : Wallpaper : Wallpapering : Home & Garden Television: REMODELING
Jan's Coordinates: Find accessories to match your bedroom and bathroom linens at my cafepress stores. We sell stickers,tile coasters,clocks,journals,t-shirts,posters,hats,boxes,pillows and more...Se
Painting/Wallpapering at MSN Shopping: Painting/Wallpapering: Product information, price comparisons and user reviews and ratings for Painting/Wallpapering.
first time wallpapering - Home Decorating Forum - GardenWeb: This forum is for the discussion of issues related to home decorating and interior design, like how to tastefully incorporate the wonderful antique commode you inherited from Aunt Martha into your thrift-store decor--without it looking totally declass%uFFFD.
Historic Wallpaper Resources: Reproduction wallpaper links and links to professionals associated with the historic wallpaper industry