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Click on the picture to go to product pages
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Brand X
available from
home centers |
| Calvert Stairs |
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| Wooden Folding Stairs |
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| Calvert Stairs |
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| Compact wooden folding stairs |
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| Calvert Stairs |
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| Aluminum folding stairs |
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| Calvert Stairs |
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| Steel telescopic attic stairs |
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| Calvert Stairs |
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| Aluminum telescopic stairs |
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| Calvert Stairs |
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| Aluminum telescopic for existing openings |
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| Calvert Stairs |
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| Commercial alum. folding stairs |
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| Calvert Stairs |
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| Vertical opening stairs |
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Ladder construction
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#2 grade Pine 1x4
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#1 grade Spruce 1x4
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#1 grade Spruce 1x4
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Aluminum channel, flat steps
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Powder coated/galvanized steel sections
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Cast aluminum alloy sections
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Formed aluminum sections
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Aluminum channel, flat steps
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Powder coated/galvanized steel sections
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Spring closing system
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Unreliable, difficult to open
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Dependable, balanced, easy to open
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Dependable, balanced, easy to open
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Dependable, balanced, easy to open
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Dependable, balanced, easy to open
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Dependable, balanced, easy to open
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Not spring assisted
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Dependable, balanced, easy to open
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Dependable, balanced, easy to open |
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Frame construction
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1 x 5 Laminated plywood board
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1 x 5 Laminated plywood board
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1 x 5 Laminated plywood board
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White steel frame with ceiling flange
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1 x 9 Laminated plywood board
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White steel frame with ceiling flange
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White steel frame with ceiling flange
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Cover door construction
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3/8" unfinished plywood, no insulation, bolts visible from below
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Insulated panel, foam insulation core, white exterior, no bolts visible
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Insulated panel, foam insulation core, white exterior, no bolts visible
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Insulated panel, foam insulation core, white exterior, no bolts visible
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Smooth, sanded, unfinished 3/4" particle board, not insulated, bolts are visible.
Optional insulated panel, foam insulation, white sheet metal exterior
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Insulated panel, foam insulation core, white exterior, no bolts visible
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White sheet metal exterior, foam insulation, bolts are visible.
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Smooth, sanded, unfinished 3/4" particle board, not insulated, bolts are visible.
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Cover door insulation value
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R-7 (1.5" thick door)
R-5 (1" thick door)
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R-7 ( optional insulated door)
Standard 3/4" particle board is not insulated
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Door latch and gaskets
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No latch or gaskets, relies on springs to keep door closed |
Latch keeps door tightly closed, neoprene gaskets form tight seal
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Latch keeps door tightly closed, neoprene gaskets form tight seal
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Latch keeps door tightly closed, neoprene gaskets form tight seal
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Latch keeps door tightly closed, gaskets form tight seal on insulated models, no
gaskets on non-isulated models
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Latch keeps door tightly closed, neoprene gaskets form tight seal
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Latch keeps door tightly closed, hi-temp gaskets form tight seal
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Latch keeps door tightly closed, no gaskets
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Toe space between door and ladder
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No toe space, ladder is mounted against the cover door |
2" toe space, ladder is mounted about 2" above the cover door
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2" toe space, ladder is mounted about 2" above the cover door
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2" toe space, ladder is mounted about 2" above the cover door
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Maximum, ladder is moved away from the cover door
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Maximum, ladder is moved away from the cover door |
Maximum, ladder is moved away from the cover door |
1" toe space, ladder is mounted about 1" above the cover door insulation |
Maximum, ladder is moved away from the cover door |
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Ease of use
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Difficult to open, springs are not balanced
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Easy to open, spring are balanced, ladder sections are relatively light.
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Easy to open, spring are balanced, ladder sections are relatively light.
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One of the easiest to unfold, spring are balanced, ladder sections are very
light.
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One of the easiest to unfold, spring are balanced, ladder is very light.
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Our largest and heaviest ladder, well balanced, spring assisted, but requires attention
while opening, medium level of difficulty.
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Our smallest stairs, easy to unfold, ladder is light, not spring assisted.
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Easy to unfold, spring are balanced, ladder sections are very light,
cover door is heavy, but spring assisted.
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One of the easiest to unfold, spring are balanced, ladder is very light.
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Duty / Capacity
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Light duty / 250 lbs
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Medium duty / 265 lbs
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Medium duty / 265 lbs
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Heavy duty / 300 lbs
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Medium duty / 265 lbs
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Heavy duty / 300 lbs
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Medium duty / 265 lbs
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Heavy duty / 300 lbs
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Medium duty / 265 lbs
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Opening sizes available
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22.5" x 54"
25" x 54"
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22.5" x 44",48",52"
24" x 44",48", 52"
28" x 44",48",52"
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22.5" x 34"
24" x 34"
28" x 34"
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24" x 44",48",52"
28" x 44",48",52"
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Width 19.75" x 27",31",35",39"
Width 22.5" x 27",31",35",39",43"
Width 27.5" x 27",31",35",39",43"
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28" x 40",44",48",52"
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18" x 22.5"
or larger
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28" x 44",48",52"
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27.5" x 35",39", 43",47"
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Min. to Max. ceiling height
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7'-1" to 8'-6"
8'-6" to 10'-2"
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7'-2" to 9'-1"
7'-2" to 10'-6"
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7'-2" to 9'-5"
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7'-2" to 9'-1"
7'-2" to 10'-6"
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7'-11" to 10'-3"
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6'-2" to 10'-6"
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7'-2" to 9'-1"
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7'-2" to 9'-1"
7'-2" to 10'-6"
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Floor to floor
7'-2" to 10'-6"
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Your cost* (aproximate)
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$ 140.00 to $390.00
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$199.00 to $349.00
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$264.00 to $290.00
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$414.00 to $479.00
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$380.00 to $519.00
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$595.00 to $665.00
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$349.00 to $389.00
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$615.00 to $912.00
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$499.00
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