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Graham Architectural Products 
Homeowner’s Manual 

 

Acoustical Aluminum Windows 
 

Table I. Maximum Humidity Levels for No Window Condensation 

(Interior Glass Surface 

1

)

 

 

 Glass Surface Temperatures and Relative Humidity with Inside Temperature at 70°F

 

Single Glazed Window

 

Double Glazed Window

 

15 mph wind

 

No wind

 

15 mph wind

 

No wind

 

Outdoor 
Temp.

 

Indoor Glass 

Temp.  

Indoor R.H.  

Indoor 

Glass Temp. 

Indoor R.H. 

Indoor 

Glass Temp. 

Indoor R.H.  

Indoor 

Glass Temp.  

Indoor R.H. 

40°F 47°F 44% 55°F 59% 59°F 68% 61°F 73% 

20°F 32°F 24% 45°F 41% 52°F 53% 56°F 61% 

0°F 17°F 12% 35°F 27% 45°F 41% 50°F 49% 

-20°F 2°F  6%  24°F 17% 38°F 32% 44°F 39% 

-40°F 

-14°F  2%  14°F 10% 31°F 23% 38°F 31% 

 

There are many different types of window framing materials. These values are for the window glazed area only. 

 

Recommended maximum humidity levels to prevent condensation on all parts of the window are listed 
below taking into account various window framing materials and glazing types.  These are the 
recommended humidity levels, and may not be applicable for every household. Differences in glass types 
(lowE vs. clear) will allow for variances in humidity levels.  
 

Outdoor Temp.          Maximum Indoor Humidity with 70ºF Room Temperature 
+10ºF to +35ºF             

 

not over 35% 

0ºF to +10ºF                 

 

 not over 30% 

-10ºF to 0ºF                  

 

not over 25% 

-20ºF to -10ºF              

 

 not over 20% 

-20ºF or below              

 

not over 15% 

 
Other factors that influence condensation are: 
 
Window Size- 

Larger windows may have a higher tendency to show condensation. 

Window Location- 

Windows protected from the wind will have a higher tendency to show condensation. 

 

Screens- 

Windows protected by exterior screens may have a different condensation behavior than the 

same windows without screens under the same conditions. 

 

Air Circulation

- Good air circulation, such as exposure to wind, reduces the occurrence of condensation.  

Building projections, foliage, and other wind breaks may contribute to condensation. 
 

Interior Shades- 

Opening interior shades or blinds may reduce condensation by allowing more heat to 

transfer to the outside or allow interior room airflow to come in contact with the window. 

Minor differences in conditions can cause condensation to form on one window and not on another, even 
when they are side-by-side. Finally, condensation on windows can be a seasonal, night-time event. When 
outside temperatures are warm, the glass temperature will usually be above the dew point. The same is 
true during cold, winter weather. Condensation will most often occur during transition months. 

Summary of Contents for Series 0400

Page 1: ...1551 Mt Rose Avenue York PA 17403 2909 HOMEOWNER S WINDOW MAINTENANCE OPERATION MANUAL FOR ACOUSTICAL ALUMINUM WINDOWS Copyright 2004...

Page 2: ...lass and Screens 1 2 Vent and Sash Operation 2 3 Water Drainage 4 Condensation and Humidity 4 5 Series 2400 Double Hung Window 6 8 Series 0400 Horizontal Sliding Window 9 11 Series 6500 Casement Proje...

Page 3: ...sounds like a difficult task it really is quite easy to clean the aluminum surface with little effort In most cases a heavy rain is sufficient to clean the exterior side of the window Normal Maintena...

Page 4: ...horizontal direction To operate the sash make sure the locking device is in the unlocked position grasp the pull handle and slide the sash away from the locking frame member Ensure that there is no d...

Page 5: ...r surfaces of windows and doors occurs because of the improved U values of the windows produced today On clear nights with still humid air condensation occurs when moisture laden air comes in contact...

Page 6: ...aximum Indoor Humidity with 70 F Room Temperature 10 F to 35 F not over 35 0 F to 10 F not over 30 10 F to 0 F not over 25 20 F to 10 F not over 20 20 F or below not over 15 Other factors that influen...

Page 7: ...the release clips Continue to raise sash another two 2 inches to free the sash from the balances Photos 3 4 3 While holding sash by the top and bottom rail shift sash towards either jamb When sash is...

Page 8: ...s two 2 inches above the lower end of the sash balance Photo 8 Top sash must be installed prior to installing the lower sash 2 Align sash with the other jamb and shift sash into a centered position be...

Page 9: ...p Photo 12 Cleaning and Lubricating of Jamb Track 1 We recommend that the balance tracks be cleaned and lubricated at least once a year 2 To clean use a mild non abrasive cleaner and wipe down the int...

Page 10: ...total of six vents is also available Follow the rationale below for sash removal removing end sash first then center sash 1 Release the sash lock on sash 1 and slide sash to the open position allowing...

Page 11: ...bottom rail of the sash with the sill sash track Photo 19 4 Lower the sash into the track and slide sash to check proper alignment 5 Repeat steps 2 4 for the remaining sash in the order described abo...

Page 12: ...ider Track 1 We recommend that the Head and Sill Slider Tracks be cleaned and lubricated at least once a year 2 To clean use a mild non abrasive cleaner and wipe down the interior and exterior track p...

Page 13: ...Hardware Adjustment A Locking Handles 1 The first step is to tighten the nut and star washer behind the cam handle project in windows to ensure that it is tight and secure 2 Make sure that the gasket...

Page 14: ...5 and 95 We can also provide limit devices at 45 If you have a situation that exists that you need a different limiting other than 45 or 90 please contact the factory 4 Lubricate hinges per figure 1 a...

Page 15: ...g directions will apply in addition to those previously mentioned Removing of Guardian Insert Panel 1 Insert a 9 64 Allen key into each guardian lock and turn 90 to the open position 2 The Guardian in...

Page 16: ...Graham Architectural Products Homeowner s Manual Acoustical Aluminum Windows 15 SERIES 6500 CASEMENT PROJECTED WINDOW Figure 1...

Page 17: ...emovable sash Snap out the two side glazing beads by pressing down on the interior edge of the glazing bead toward the sash Note A flat blunt tool and a rubber mallet can be used to start the glazing...

Page 18: ...until the sash is vertical and centered in sash track 9 The glazing beads are replaced starting with the top then bottom followed by the sides 10 To install the glazing beads start at one end insertin...

Page 19: ...er turn the screw clockwise to raise the panel and counter clockwise to lower Photo 39 Note It may be necessary to lift the panel and take some of the weight off the rollers while adjusting Operable P...

Page 20: ...erse the procedure described above for removal 2 Insert door panel top rail into head pocket 3 With the head engaged move panel into a vertical position 4 Lower panel into track slide panel to check p...

Page 21: ...fixed panel retainer clip to fixed jamb using the previously removed screws and the pre drilled holes 6 Snap sill threshold into exterior track with slope to the exterior Replacing Panel Rollers 1 Th...

Page 22: ...once a year Loose debris must be removed as needed 2 To clean use a mild non abrasive cleaner and wipe down the interior and exterior track pockets in both the head and sill from jamb to jamb Photo 4...

Page 23: ...Graham Architectural Products Homeowner s Manual Acoustical Aluminum Windows 22 Appendix 1 Appendix 1 cont...

Page 24: ...Graham Architectural Products Homeowner s Manual Acoustical Aluminum Windows 23...

Page 25: ...The compression on the inside seal is critical to pressure equalization in window performance STEPS IN A PAPER TEST 1 Open the vent 2 Find a piece of paper or a dollar bill 3 Place the paper on the i...

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